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cowasm.sh: sometimes running python more than once leads to "Fatal Python error: init_sys_streams: can't initialize sys standard streams" #42

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williamstein opened this issue Nov 4, 2022 · 1 comment
Open

cowasm.sh: sometimes running python more than once leads to "Fatal Python error: init_sys_streams: can't initialize sys standard streams" #42

williamstein opened this issue Nov 4, 2022 · 1 comment
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bug Something isn't working shell

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@williamstein
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This is presumably just some state involving /sys/stdout, /sys/stdin, etc. with our "run a subprocess" functionality.

It happened in this session using https://cowasm.sh

Type 'ls /usr/bin' for a list of commands, including python (with numpy), lua, sqlite3, date, and du.
This is new and *many* things are not implemented.  Output redirection and capture is not implemented.
Visit https://github.com/sagemathinc/cowasm and contribute.

sh$ hanoi
sh$ viz
Name collision 'xterm-new' between
        xf|xterm-new|modern xterm:,
and     xf|xterm-new|modern xterm:,
...now  modern xterm:,
Cannot remove alias 'modern xterm:,'
Name collision 'xterm-basic' between
        xb|xterm-basic|modern xterm common:,
and     xb|xterm-basic|modern xterm common:,
...now  modern xterm common:,
Cannot remove alias 'modern xterm common:,'
Name collision 'xterm-vt220' between
        vt|xterm-vt220|xterm emulating vt220:,
and     vt|xterm-vt220|xterm emulating vt220:,
...now  xterm emulating vt220:,
Cannot remove alias 'xterm emulating vt220:,'
Name collision 'xterm-24' between
        v1|xterm-24|xterms|vs100|24x80 xterm:,
and     v1|xterm-24|xterms|vs100|24x80 xterm:,
...now  xterms|vs100|24x80 xterm:,
...now  vs100|24x80 xterm:,
...now  24x80 xterm:,
Cannot remove alias '24x80 xterm:,'
Name collision 'xterm-65' between
        v2|xterm-65|65x80 xterm:,
and     v2|xterm-65|65x80 xterm:,
...now  65x80 xterm:,
Cannot remove alias '65x80 xterm:,'
Name collision 'xterm-bold' between
        vb|xterm-bold|xterm with bold for underline:,
and     vb|xterm-bold|xterm with bold for underline:,
...now  xterm with bold for underline:,
Cannot remove alias 'xterm with bold for underline:,'
Name collision 'xterm-boldso' between
        vB|xterm-boldso|xterm with bold for standout:,
and     vB|xterm-boldso|xterm with bold for standout:,
...now  xterm with bold for standout:,
Cannot remove alias 'xterm with bold for standout:,'
Name collision 'xterm-mono' between
        vm|xterm-mono|monochrome xterm:,
and     vm|xterm-mono|monochrome xterm:,
...now  monochrome xterm:,
Cannot remove alias 'monochrome xterm:,'
Name collision 'xterm-noapp' between
        xn|xterm-noapp|xterm with cursor keys in normal mode:,
and     xn|xterm-noapp|xterm with cursor keys in normal mode:,
...now  xterm with cursor keys in normal mode:,
Cannot remove alias 'xterm with cursor keys in normal mode:,'
Name collision 'xterm-color' between
        vc|xterm-color|generic "ANSI" color xterm:,
and     vc|xterm-color|generic "ANSI" color xterm:,
...now  generic "ANSI" color xterm:,
Cannot remove alias 'generic "ANSI" color xterm:,'
Name collision 'xterm-16color' between
        x1|xterm-16color|xterm alias:,
and     x1|xterm-16color|xterm alias:,
...now  xterm alias:,
Cannot remove alias 'xterm alias:,'
Name collision 'xterm-88color' between
        x2|xterm-88color|xterm alias:,
and     x2|xterm-88color|xterm alias:,
...now  xterm alias:,
Cannot remove alias 'xterm alias:,'
Name collision 'xterm-direct' between
        x4|xterm-direct|xterm alias:,
and     x4|xterm-direct|xterm alias:,
...now  xterm alias:,
Cannot remove alias 'xterm alias:,'
Name collision 'xterm-nrc' between
        xi|xterm-nrc|xterm alias:,
and     xi|xterm-nrc|xterm alias:,
...now  xterm alias:,
Cannot remove alias 'xterm alias:,'
Name collision 'xterm-rep' between
        xr|xterm-rep|xterm alias:,
and     xr|xterm-rep|xterm alias:,
...now  xterm alias:,
Cannot remove alias 'xterm alias:,'
Name collision 'xterm-xmc' between
        xx|xterm-xmc|xterm alias:,
and     xx|xterm-xmc|xterm alias:,
...now  xterm alias:,
Cannot remove alias 'xterm alias:,'
Name collision 'xterm-8bit' between
        x8|xterm-8bit|xterm terminal emulator 8-bit controls (X Window System):,
and     x8|xterm-8bit|xterm terminal emulator 8-bit controls (X Window System):,
...now  xterm terminal emulator 8-bit controls (X Window System):,
Cannot remove alias 'xterm terminal emulator 8-bit controls (X Window System):,'
Name collision 'xterm-hp' between
        hp|xterm-hp|xterm with hpterm function keys:,
and     hp|xterm-hp|xterm with hpterm function keys:,
...now  xterm with hpterm function keys:,
Cannot remove alias 'xterm with hpterm function keys:,'
Name collision 'xterm-sco' between
        xS|xterm-sco|xterm with SCO function keys:,
and     xS|xterm-sco|xterm with SCO function keys:,
...now  xterm with SCO function keys:,
Cannot remove alias 'xterm with SCO function keys:,'
Name collision 'xterm-vt52' between
        v5|xterm-vt52|xterm emulating vt52:,
and     v5|xterm-vt52|xterm emulating vt52:,
...now  xterm emulating vt52:,
Cannot remove alias 'xterm emulating vt52:,'
Name collision 'xterm-sun' between
        xs|xterm-sun|xterm with Sun functionkeys:,
sh$ python
Python 3.11.0 (main, Nov  3 2022, 20:56:18) [Clang 15.0.3 ([email protected]:ziglang/zig-bootstrap.git 0ce789d0f7a4d89fdc4d9571 on wasi
Type "help", "copyright", "credits" or "license" for more information.
>>> ^D
sh$ python
Python 3.11.0 (main, Nov  3 2022, 20:56:18) [Clang 15.0.3 ([email protected]:ziglang/zig-bootstrap.git 0ce789d0f7a4d89fdc4d9571 on wasi
Type "help", "copyright", "credits" or "license" for more information.
>>> ^D
sh$ python
Python 3.11.0 (main, Nov  3 2022, 20:56:18) [Clang 15.0.3 ([email protected]:ziglang/zig-bootstrap.git 0ce789d0f7a4d89fdc4d9571 on wasi
Type "help", "copyright", "credits" or "license" for more information.
>>> import json
>>> json.dumps(range(100))
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/Users/wstein/build/cocalc/src/data/projects/2c9318d1-4f8b-4910-8da7-68a965514c95/cowasm/packages/cpython/build/wasm/Lib/json/__init__.py", line 231, in dumps
  File "/Users/wstein/build/cocalc/src/data/projects/2c9318d1-4f8b-4910-8da7-68a965514c95/cowasm/packages/cpython/build/wasm/Lib/json/encoder.py", line 200, in encode
  File "/Users/wstein/build/cocalc/src/data/projects/2c9318d1-4f8b-4910-8da7-68a965514c95/cowasm/packages/cpython/build/wasm/Lib/json/encoder.py", line 258, in iterencode
  File "/Users/wstein/build/cocalc/src/data/projects/2c9318d1-4f8b-4910-8da7-68a965514c95/cowasm/packages/cpython/build/wasm/Lib/json/encoder.py", line 180, in default
TypeError: Object of type range is not JSON serializable
>>> json.dumps(list(range(100)))
'[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99]'
>>> json.dumps(list(range(1000)))
'[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, 345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 360, 361, 362, 363, 364, 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, 390, 391, 392, 393, 394, 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, 405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 415, 416, 417, 418, 419, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 435, 436, 437, 438, 439, 440, 441, 442, 443, 444, 445, 446, 447, 448, 449, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459, 460, 461, 462, 463, 464, 465, 466, 467, 468, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479, 480, 481, 482, 483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 500, 501, 502, 503, 504, 505, 506, 507, 508, 509, 510, 511, 512, 513, 514, 515, 516, 517, 518, 519, 520, 521, 522, 523, 524, 525, 526, 527, 528, 529, 530, 531, 532, 533, 534, 535, 536, 537, 538, 539, 540, 541, 542, 543, 544, 545, 546, 547, 548, 549, 550, 551, 552, 553, 554, 555, 556, 557, 558, 559, 560, 561, 562, 563, 564, 565, 566, 567, 568, 569, 570, 571, 572, 573, 574, 575, 576, 577, 578, 579, 580, 581, 582, 583, 584, 585, 586, 587, 588, 589, 590, 591, 592, 593, 594, 595, 596, 597, 598, 599, 600, 601, 602, 603, 604, 605, 606, 607, 608, 609, 610, 611, 612, 613, 614, 615, 616, 617, 618, 619, 620, 621, 622, 623, 624, 625, 626, 627, 628, 629, 630, 631, 632, 633, 634, 635, 636, 637, 638, 639, 640, 641, 642, 643, 644, 645, 646, 647, 648, 649, 650, 651, 652, 653, 654, 655, 656, 657, 658, 659, 660, 661, 662, 663, 664, 665, 666, 667, 668, 669, 670, 671, 672, 673, 674, 675, 676, 677, 678, 679, 680, 681, 682, 683, 684, 685, 686, 687, 688, 689, 690, 691, 692, 693, 694, 695, 696, 697, 698, 699, 700, 701, 702, 703, 704, 705, 706, 707, 708, 709, 710, 711, 712, 713, 714, 715, 716, 717, 718, 719, 720, 721, 722, 723, 724, 725, 726, 727, 728, 729, 730, 731, 732, 733, 734, 735, 736, 737, 738, 739, 740, 741, 742, 743, 744, 745, 746, 747, 748, 749, 750, 751, 752, 753, 754, 755, 756, 757, 758, 759, 760, 761, 762, 763, 764, 765, 766, 767, 768, 769, 770, 771, 772, 773, 774, 775, 776, 777, 778, 779, 780, 781, 782, 783, 784, 785, 786, 787, 788, 789, 790, 791, 792, 793, 794, 795, 796, 797, 798, 799, 800, 801, 802, 803, 804, 805, 806, 807, 808, 809, 810, 811, 812, 813, 814, 815, 816, 817, 818, 819, 820, 821, 822, 823, 824, 825, 826, 827, 828, 829, 830, 831, 832, 833, 834, 835, 836, 837, 838, 839, 840, 841, 842, 843, 844, 845, 846, 847, 848, 849, 850, 851, 852, 853, 854, 855, 856, 857, 858, 859, 860, 861, 862, 863, 864, 865, 866, 867, 868, 869, 870, 871, 872, 873, 874, 875, 876, 877, 878, 879, 880, 881, 882, 883, 884, 885, 886, 887, 888, 889, 890, 891, 892, 893, 894, 895, 896, 897, 898, 899, 900, 901, 902, 903, 904, 905, 906, 907, 908, 909, 910, 911, 912, 913, 914, 915, 916, 917, 918, 919, 920, 921, 922, 923, 924, 925, 926, 927, 928, 929, 930, 931, 932, 933, 934, 935, 936, 937, 938, 939, 940, 941, 942, 943, 944, 945, 946, 947, 948, 949, 950, 951, 952, 953, 954, 955, 956, 957, 958, 959, 960, 961, 962, 963, 964, 965, 966, 967, 968, 969, 970, 971, 972, 973, 974, 975, 976, 977, 978, 979, 980, 981, 982, 983, 984, 985, 986, 987, 988, 989, 990, 991, 992, 993, 994, 995, 996, 997, 998, 999]'
>>> 
>>> 
>>> 
>>> open('a.json').write(json.dumps(list(range(1000))))
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
FileNotFoundError: [Errno 44] No such file or directory: 'a.json'
>>> open('/tmp/a.json').write(json.dumps(list(range(1000))))
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
FileNotFoundError: [Errno 44] No such file or directory: '/tmp/a.json'
>>> open('a.json','w').write(json.dumps(list(range(1000)))) 
4890
>>> ^D
sh$ ls
a.json dev    usr
sh$ ls -l
total 9
----------  1 0  0  4890 Nov  4 04:20 a.json
d---------  1 0  0     0 Nov  4 04:14 dev
d---------  1 0  0     0 Nov  4 04:14 usr
sh$ cat a.json
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, 345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 360, 361, 362, 363, 364, 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, 390, 391, 392, 393, 394, 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, 405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 415, 416, 417, 418, 419, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 435, 436, 437, 438, 439, 440, 441, 442, 443, 444, 445, 446, 447, 448, 449, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459, 460, 461, 462, 463, 464, 465, 466, 467, 468, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479, 480, 481, 482, 483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 500, 501, 502, 503, 504, 505, 506, 507, 508, 509, 510, 511, 512, 513, 514, 515, 516, 517, 518, 519, 520, 521, 522, 523, 524, 525, 526, 527, 528, 529, 530, 531, 532, 533, 534, 535, 536, 537, 538, 539, 540, 541, 542, 543, 544, 545, 546, 547, 548, 549, 550, 551, 552, 553, 554, 555, 556, 557, 558, 559, 560, 561, 562, 563, 564, 565, 566, 567, 568, 569, 570, 571, 572, 573, 574, 575, 576, 577, 578, 579, 580, 581, 582, 583, 584, 585, 586, 587, 588, 589, 590, 591, 592, 593, 594, 595, 596, 597, 598, 599, 600, 601, 602, 603, 604, 605, 606, 607, 608, 609, 610, 611, 612, 613, 614, 615, 616, 617, 618, 619, 620, 621, 622, 623, 624, 625, 626, 627, 628, 629, 630, 631, 632, 633, 634, 635, 636, 637, 638, 639, 640, 641, 642, 643, 644, 645, 646, 647, 648, 649, 650, 651, 652, 653, 654, 655, 656, 657, 658, 659, 660, 661, 662, 663, 664, 665, 666, 667, 668, 669, 670, 671, 672, 673, 674, 675, 676, 677, 678, 679, 680, 681, 682, 683, 684, 685, 686, 687, 688, 689, 690, 691, 692, 693, 694, 695, 696, 697, 698, 699, 700, 701, 702, 703, 704, 705, 706, 707, 708, 709, 710, 711, 712, 713, 714, 715, 716, 717, 718, 719, 720, 721, 722, 723, 724, 725, 726, 727, 728, 729, 730, 731, 732, 733, 734, 735, 736, 737, 738, 739, 740, 741, 742, 743, 744, 745, 746, 747, 748, 749, 750, 751, 752, 753, 754, 755, 756, 757, 758, 759, 760, 761, 762, 763, 764, 765, 766, 767, 768, 769, 770, 771, 772, 773, 774, 775, 776, 777, 778, 779, 780, 781, 782, 783, 784, 785, 786, 787, 788, 789, 790, 791, 792, 793, 794, 795, 796, 797, 798, 799, 800, 801, 802, 803, 804, 805, 806, 807, 808, 809, 810, 811, 812, 813, 814, 815, 816, 817, 818, 819, 820, 821, 822, 823, 824, 825, 826, 827, 828, 829, 830, 831, 832, 833, 834, 835, 836, 837, 838, 839, 840, 841, 842, 843, 844, 845, 846, 847, 848, 849, 850, 851, 852, 853, 854, 855, 856, 857, 858, 859, 860, 861, 862, 863, 864, 865, 866, 867, 868, 869, 870, 871, 872, 873, 874, 875, 876, 877, 878, 879, 880, 881, 882, 883, 884, 885, 886, 887, 888, 889, 890, 891, 892, 893, 894, 895, 896, 897, 898, 899, 900, 901, 902, 903, 904, 905, 906, 907, 908, 909, 910, 911, 912, 913, 914, 915, 916, 917, 918, 919, 920, 921, 922, 923, 924, 925, 926, 927, 928, 929, 930, 931, 932, 933, 934, 935, 936, 937, 938, 939, 940, 941, 942, 943, 944, 945, 946, 947, 948, 949, 950, 951, 952, 953, 954, 955, 956, 957, 958, 959, 960, 961, 962, 963, 964, 965, 966, 967, 968, 969, 970, 971, 972, 973, 974, 975, 976, 977, 978, 979, 980, 981, 982, 983, 984, 985, 986, 987, 988, 989, 990, 991, 992, 993, 994, 995, 996, 997, 998, 999]sh$ 
sh$ 
sh$ 
sh$ 
sh$ 
sh$ python3
sh: 18: python3: not found
sh$ python 
Fatal Python error: init_sys_streams: can't initialize sys standard streams
Python runtime state: core initialized
OSError: [Errno 8] Bad file descriptor

Current thread 0x00131d10 (most recent call first):
  <no Python frame>
sh$
@williamstein williamstein added bug Something isn't working shell labels Nov 4, 2022
@williamstein
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This is caused by outputing a bunch of random binary "crap" to the terminal. From a fresh shell:

sh$ cd /usr/lib/python3.11
sh$ cat typing.pyc
... binary crap ...
sh$ cat typing.pyc
cat: stdout: Bad file descriptor

@martin12333 martin12333 mentioned this issue Dec 15, 2022
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