Now passes flake8

pandas/core/generic.py

@@ -2494,10 +2494,10 @@ def to_sql(self, name, con, schema=None, if_exists='fail', index=True,
             Rows will be written in batches of this size at a time. By default,
             all rows will be written at once.
         dtype : dict or a SQLAchemy type, optional
-            Specifying the datatype for column(s). If a dictionary is used, the keys
-            should be the column names and the values should be the SQLAlchemy types
-            or strings for the sqlite3 legacy mode. If all columns are of the same
-            type, one single value can be used.
+            Specifying the datatype for columns. If a dictionary is used, the
+            keys should be the column names and the values should be the
+            SQLAlchemy types or strings for the sqlite3 legacy mode. If all
+            columns are of the same type, one single value can be used.
         method : {None, 'multi', callable}, default None
             Controls the SQL insertion clause used: