Traceback (most recent call last):


 "read_only_bug.py", line 3, in <module>

time_signal.imag ** 2
ValueError: output array is read-only

Traceback (most recent call last):


 "/usr/local/lib/python3.9/site-packages/django/db/backends/utils.py", line 84, in _execute

return self.cursor.execute(sql, params)


 "/usr/local/lib/python3.9/site-packages/django/db/backends/sqlite3/base.py", line 413, in execute

return Database.Cursor.execute(self, query, params)
sqlite3.IntegrityError: UNIQUE constraint failed: core_tag.slug
