tracking/scripts/tracking_performance.py fails (but gitlab doesn't catch it)

Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/pandas/core/indexes/base.py", line 3361, in get_loc
    return self._engine.get_loc(casted_key)
  File "pandas/_libs/index.pyx", line 76, in pandas._libs.index.IndexEngine.get_loc
  File "pandas/_libs/index.pyx", line 108, in pandas._libs.index.IndexEngine.get_loc
  File "pandas/_libs/hashtable_class_helper.pxi", line 5198, in pandas._libs.hashtable.PyObjectHashTable.get_item
  File "pandas/_libs/hashtable_class_helper.pxi", line 5206, in pandas._libs.hashtable.PyObjectHashTable.get_item
KeyError: 'theta'
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
  File "/builds/EIC/benchmarks/reconstruction_benchmarks/benchmarks/tracking/scripts/tracking_performance.py", line 150, in <module>
    rec_eta, _ = np.histogram(-np.log(np.tan(df['theta'].values/2.)), bins=eta_bins)
  File "/usr/local/lib/python3.7/site-packages/pandas/core/frame.py", line 3455, in __getitem__
    indexer = self.columns.get_loc(key)
  File "/usr/local/lib/python3.7/site-packages/pandas/core/indexes/base.py", line 3363, in get_loc
    raise KeyError(key) from err
KeyError: 'theta'