Merge pull request #259 from pennmem/misc

update to_ptsa docsting

Author: hherrema

cmlreaders/eeg_container.py

@@ -245,6 +245,7 @@ def to_ptsa(self, recarray=False) -> "TimeSeries":  # noqa: F821
         ----------
         recarray
             If True, events get stored as a recarray, to preserve backwards compatibility
+            (use for session with 'stim_params' field with dict entries).
             If False, events get stored as xarray coordinates.
 
         Notes

cmlreaders/readers/eeg.py

@@ -558,10 +558,9 @@ def load(self, **kwargs):
         """
         if "events" in kwargs:
             events = kwargs["events"]  # type: pd.DataFrame
-            assert ~np.any(
-                events["eegoffset"] < 0
-            ), "Some events outside bounds of EEG (eegoffset < 0)"
             # drop any invalid eegoffset events
+            if np.any(events["eegoffset"] < 0):
+                warnings.warn("Some events have eegoffset < 0 and will be dropped.")
             events = events[events["eegoffset"] >= 0]
         else:
             if self.session is None: