doc comments

Author: chris-b1

doc/source/whatsnew/v0.20.0.txt

@@ -37,7 +37,6 @@ Other enhancements
 
 .. ipython:: python
 
-   from io import StringIO
    data = "a,b\n1,2\n3,4"
    pd.read_csv(StringIO(data), engine='python').dtypes
    pd.read_csv(StringIO(data), engine='python', dtype={'a':'float64', 'b':'object'}).dtypes

pandas/io/parsers.py

@@ -117,9 +117,6 @@
     Use `str` or `object` to preserve and not interpret dtype.
     If converters are specified, they will be applied INSTEAD
     of dtype conversion.
-
-  .. versionadded:: 0.20.0 support for the Python parser.
-
 %s
 converters : dict, default None
     Dict of functions for converting values in certain columns. Keys can either