Upgrading pyyaml dependency to fix build failures (#2300)

* Update pyyaml from 6.0 to 6.0.1

* switching to .format from fstring

* formatting

scripts/requirements.txt

@@ -1,6 +1,6 @@
 pip
 # License: MIT
-PyYAML==6.0
+PyYAML==6.0.1
 # License: BSD
 gitpython==3.1.37
 # License: BSD

scripts/schema/cleaner.py

@@ -281,7 +281,8 @@ def check_example_value(field: Union[List, FieldEntry], strict: Optional[bool] =
 
  if isinstance(example_value, (list, dict)):
  field_name: str = field['field_details']['name']
- msg: str = f"Example value for field `{field_name}` contains an object or array which must be quoted to avoid YAML interpretation."
+ msg: str = "Example value for field `{}` contains an object or array which must be quoted to avoid YAML interpretation.".format(
+ field_name)
  strict_warning_handler(msg, strict)
 
  # Examples with arrays must be handled
@@ -295,13 +296,15 @@ def check_example_value(field: Union[List, FieldEntry], strict: Optional[bool] =
  for example_value in example_values:
  match = re.match(pattern, example_value)
  if not match:
- msg = f"Example value for field `{name}` does not match the regex defined in the pattern attribute: `{pattern}`."
+ msg = "Example value for field `{}` does not match the regex defined in the pattern attribute: `{}`.".format(
+ name, pattern)
  strict_warning_handler(msg, strict)
 
  if expected_values:
  for example_value in example_values:
  if example_value not in expected_values:
- msg = f"Example value `{example_value}` for field `{name}` is not one of the values defined in `expected_value`: {expected_values}."
+ msg = "Example value `{}` for field `{}` is not one of the values defined in `expected_value`: {}.".format(
+ example_value, name, example_values)
  strict_warning_handler(msg, strict)