undone unnecessary change

Author: debnathshoham

pandas/io/parsers/python_parser.py

@@ -431,9 +431,9 @@ def _infer_columns(self):
                                 and is_dict_like(self.dtype)
                                 and self.dtype.get(old_col) is not None
                                 and self.dtype.get(col) is None
-                            ):
-                                
+                            ):                           
                                 self.dtype.update({col: self.dtype.get(old_col)})
+                                
                         this_columns[i] = col
                         counts[col] = cur_count + 1
                 elif have_mi_columns: