An Error Occurred

Error Details:

'NoneType' object has no attribute 'split'

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Error Stacktrace:

Traceback (most recent call last): File "/tmp/8dccdc88b5c0aad/app.py", line 263, in url_search indicators_df, matches_df, indicator_summary, matches_summary = fingerprint(request) ^^^^^^^^^^^^^^^^^^^^ File "/tmp/8dccdc88b5c0aad/app.py", line 295, in fingerprint urls = url_string_to_valid_urls(url) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/tmp/8dccdc88b5c0aad/app.py", line 1258, in url_string_to_valid_urls urls = url_string.split(",") ^^^^^^^^^^^^^^^^ AttributeError: 'NoneType' object has no attribute 'split'