diff --git a/planetutils/elevation_tile_download.py b/planetutils/elevation_tile_download.py
index a54667a..29328b4 100644
--- a/planetutils/elevation_tile_download.py
+++ b/planetutils/elevation_tile_download.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python
-from __future__ import absolute_import, unicode_literals
+from __future__ import absolute_import, unicode_literals, print_function
 import argparse
 import sys
 
@@ -26,7 +26,7 @@ def main():
     elif args.format == 'skadi':
         p = ElevationSkadiDownloader(args.outpath)
     else:
-        print "Unknown format: %s"%args.format
+        print("Unknown format: %s"%args.format)
         sys.exit(1)
 
     if args.csv:
diff --git a/planetutils/elevation_tile_downloader.py b/planetutils/elevation_tile_downloader.py
index 1e70d45..c03613e 100644
--- a/planetutils/elevation_tile_downloader.py
+++ b/planetutils/elevation_tile_downloader.py
@@ -87,7 +87,7 @@ def get_bbox_tiles(self, bbox):
         return tiles
 
     def tile_path(self, z, x, y):
-        return map(str, [z, x, str(y)+'.tif'])
+        return list(map(str, [z, x, str(y)+'.tif']))
 
 class ElevationSkadiDownloader(ElevationDownloader):
     HGT_SIZE = (3601 * 3601 * 2)
diff --git a/planetutils/elevation_tile_merge.py b/planetutils/elevation_tile_merge.py
index 5a6bbfe..ee169b1 100644
--- a/planetutils/elevation_tile_merge.py
+++ b/planetutils/elevation_tile_merge.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python
-from __future__ import absolute_import, unicode_literals
+from __future__ import absolute_import, unicode_literals, print_function
 import argparse
 import sys
 import fnmatch
@@ -20,7 +20,7 @@ def main():
     tmppath = args.outpath
 
     if args.scale and len(args.scale.split(',')) != 2:
-        print "Must provide min, max values"
+        print("Must provide min, max values")
         sys.exit(1)
     elif args.scale:
         # Output to tmp file
@@ -32,22 +32,22 @@ def main():
             matches.append(os.path.join(root, filename))
 
     if len(matches) == 0:
-        print "No input files"
+        print("No input files")
         sys.exit(0)
 
-    print "Found %s files:"%len(matches)
+    print("Found %s files:"%len(matches))
     for i in matches:
-        print "\t%s"%(i)
+        print("\t%s"%(i))
 
     # gdal_merge.py -init 0 -o out.tif
-    print "Merging... %s"%(tmppath)
+    print("Merging... %s"%(tmppath))
     cmd = ['gdal_merge.py', '-init', '0', '-o', tmppath]
     cmd += matches
     p = subprocess.check_call(cmd)
 
     # gdal_translate -of GTiff -ot Byte -scale 0 255 0 255 out.tif out8.tif
     if args.scale:
-        print "Scaling: %s -> %s"%(tmppath, outpath)
+        print("Scaling: %s -> %s"%(tmppath, outpath))
         a = args.scale.split(",")
         cmd = ['gdal_translate', '-of', 'GTiff', '-ot', 'Byte', '-scale', a[0], a[1], '0', '255', tmppath, outpath]
         subprocess.check_call(cmd)
diff --git a/planetutils/tilepack_download.py b/planetutils/tilepack_download.py
index 1c84195..a64bb75 100644
--- a/planetutils/tilepack_download.py
+++ b/planetutils/tilepack_download.py
@@ -4,7 +4,6 @@
 import argparse
 
 from . import log
-from . import tilepack
 from .bbox import bbox_string, load_bboxes_csv
 from .tilepack_downloader import TilepackDownloader
 
diff --git a/planetutils/tilepack_downloader.py b/planetutils/tilepack_downloader.py
index 10d136a..5821ca4 100644
--- a/planetutils/tilepack_downloader.py
+++ b/planetutils/tilepack_downloader.py
@@ -5,11 +5,9 @@
 from urllib.request import urlopen
 
 import os
-import urlparse
 import subprocess
 import json
 
-
 from . import log
 from . import download
 
diff --git a/tests/test_commands.py b/tests/test_commands.py
new file mode 100644
index 0000000..48ee2ee
--- /dev/null
+++ b/tests/test_commands.py
@@ -0,0 +1,21 @@
+from __future__ import absolute_import, unicode_literals
+import tempfile
+import types
+import os
+import unittest
+
+class TestCommandImports(unittest.TestCase):
+    def test_command_imports(self):
+        commands = [
+            'osm_planet_update=planetutils.osm_planet_update:main',
+            'osm_planet_extract=planetutils.osm_planet_extract:main',
+            'osm_planet_get_timestamp=planetutils.osm_planet_get_timestamp:main',
+            'osm_extract_download=planetutils.osm_extract_download:main',
+            'elevation_tile_download=planetutils.elevation_tile_download:main',
+            'elevation_tile_merge=planetutils.elevation_tile_merge:main',
+            'valhalla_tilepack_download=planetutils.tilepack_download:main',
+            'valhalla_tilepack_list=planetutils.tilepack_list:main'
+        ]
+        for i in commands:
+            a, _, b = i.partition('=')[-1].partition(':')
+            exec('import %s'%(a))