Error on step 4.

[en1gma713]

ValueError                                Traceback (most recent call last)
<ipython-input-8-994af1dafd16> in <module>()
      1 from act_newmap_prep import *
      2 
----> 3 step4_read_new_map(uploaded_osu_name);

2 frames
/content/osumapper/v7.0/map_analyze.py in get_all_ticks_and_lengths_from_ts(uts_array, ts_array, end_time, divisor)
     78     tick_len = [[uts["tickLength"]] * len(np.arange(uts["beginTime"], endtimes[i], uts["tickLength"] / divisor)) for i, uts in enumerate(uts_array)];
     79     # slider_len = [[ts["sliderLength"]] * len(np.arange(ts["beginTime"], endtimes[i], ts["tickLength"] / divisor)) for i, ts in enumerate(ts_array)];
---> 80     slider_len = [get_slider_len_ts(ts_array, timestamp) for timestamp in np.concatenate(timestamps)];
     81     return np.concatenate(ticks_from_uts), np.round(np.concatenate(timestamps)).astype(int), np.concatenate(tick_len), np.array(slider_len);
     82 

<__array_function__ internals> in concatenate(*args, **kwargs)

ValueError: need at least one array to concatenate```

[ghost]

Bump, I also have this issue.

[Silver-Volt4]

Clone the colab workspace to your google drive, it'll fix it.