DOC: RT03 fix for read_sql_query, read_feather (#57649)

* DOC: RT03 fix for read_sql_query, read_feather

* Update pandas/io/feather_format.py

Co-authored-by: Matthew Roeschke <[email protected]>

---------

Co-authored-by: Matthew Roeschke <[email protected]>

Author: YashpalAhlawat

ci/code_checks.sh

@@ -876,11 +876,9 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
         pandas.plotting.parallel_coordinates\
         pandas.plotting.radviz\
         pandas.plotting.table\
-        pandas.read_feather\
         pandas.read_orc\
         pandas.read_sas\
         pandas.read_spss\
-        pandas.read_sql_query\
         pandas.read_stata\
         pandas.set_eng_float_format\
         pandas.timedelta_range\

pandas/io/feather_format.py

@@ -104,6 +104,7 @@ def read_feather(
     Returns
     -------
     type of object stored in file
+        DataFrame object stored in the file.
 
     Examples
     --------

pandas/io/sql.py

@@ -460,6 +460,8 @@ def read_sql_query(
     Returns
     -------
     DataFrame or Iterator[DataFrame]
+        Returns a DataFrame object that contains the result set of the
+        executed SQL query, in relation to the specified database connection.
 
     See Also
     --------