ruff: Activate UP ruleset

freqtrade/configuration/config_validation.py

@@ -27,10 +27,7 @@ def _extend_validator(validator_class):
             if 'default' in subschema:
                 instance.setdefault(prop, subschema['default'])
 
-        for error in validate_properties(
-            validator, properties, instance, schema,
-        ):
-            yield error
+        yield from validate_properties(validator, properties, instance, schema)
 
     return validators.extend(
         validator_class, {'properties': set_defaults}

freqtrade/freqai/RL/TensorboardCallback.py

@@ -13,7 +13,7 @@ class TensorboardCallback(BaseCallback):
     episodic summary reports.
     """
     def __init__(self, verbose=1, actions: Type[Enum] = BaseActions):
-        super(TensorboardCallback, self).__init__(verbose)
+        super().__init__(verbose)
         self.model: Any = None
         self.logger = None  # type: Any
         self.training_env: BaseEnvironment = None  # type: ignore

freqtrade/optimize/hyperopt_tools.py

@@ -464,7 +464,7 @@ class HyperoptTools():
 
         try:
             Path(csv_file).open('w+').close()
-        except IOError:
+        except OSError:
             logger.error(f"Failed to create CSV file: {csv_file}")
             return
 

freqtrade/vendor/qtpylib/indicators.py

@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-#
 # QTPyLib: Quantitative Trading Python Library
 # https://github.com/ranaroussi/qtpylib
 #
@@ -18,7 +16,6 @@
 # limitations under the License.
 #
 
-import sys
 import warnings
 from datetime import datetime, timedelta
 
@@ -27,11 +24,6 @@ import pandas as pd
 from pandas.core.base import PandasObject
 
 
-# =============================================
-# check min, python version
-if sys.version_info < (3, 4):
-    raise SystemError("QTPyLib requires Python version >= 3.4")
-
 # =============================================
 warnings.simplefilter(action="ignore", category=RuntimeWarning)