Failed to merge event from search_breaks generator

[mgchav]

Hello!

The data method of CoreEventDataFrame is typed as a pandas DataFrame, and the output of search breaks is a pandas.Series.
On line 498 of eventsearch\events.py, the two are attempting to merge with:

self.data = self.data.append(event, ignore_index)

A pandas dataframe does not have an append method. Would a suitable fix be:

self.data = self.data.join(event)

Thanks