Small fix

Author: erezsh

data_diff/databases/base.py

@@ -221,6 +221,7 @@ def _refine_coltypes(self, table_path: DbPath, col_dict: Dict[str, ColType]):
  else:
  assert col_name in col_dict
  col_dict[col_name] = String_UUID()
+ continue
 
  alphanum_samples = [s for s in samples if s and String_Alphanum.test_value(s)]
  if alphanum_samples:
@@ -238,6 +239,7 @@ def _refine_coltypes(self, table_path: DbPath, col_dict: Dict[str, ColType]):
  else:
  (length,) = lens
  col_dict[col_name] = String_Alphanum(length=length)
+ continue
 
  # @lru_cache()
  # def get_table_schema(self, path: DbPath) -> Dict[str, ColType]: