fixed ci

Signed-off-by: Fabian Haase <[email protected]>

Author: FHaase

doc/source/timeseries.rst

@@ -719,7 +719,8 @@ With no defaults.
 
 .. ipython:: python
 
-   dft[datetime.datetime(2013, 1, 1, 10, 12, 0):datetime.datetime(2013, 2, 28, 10, 12, 0)]
+   dft[datetime.datetime(2013, 1, 1, 10, 12, 0):
+       datetime.datetime(2013, 2, 28, 10, 12, 0)]
 
 
 Truncating & Fancy Indexing