Removed pass from empty functions

src/cpl-core/cpl/core/configuration/configuration_model_abc.py

@@ -2,4 +2,6 @@ from abc import ABC
 
 
 class ConfigurationModelABC(ABC):
-    pass
+    r"""
+    ABC for configuration model classes
+    """

src/cpl-core/cpl/core/log/logger_abc.py

@@ -7,12 +7,10 @@ class LoggerABC(ABC):
     r"""ABC for :class:`cpl.core.log.logger_service.Logger`"""
 
     @abstractmethod
-    def set_level(self, level: str):
-        pass
+    def set_level(self, level: str): ...
 
     @abstractmethod
-    def _format_message(self, level: str, timestamp, *messages: Messages) -> str:
-        pass
+    def _format_message(self, level: str, timestamp, *messages: Messages) -> str: ...
 
     @abstractmethod
     def header(self, string: str):

src/cpl-core/cpl/core/pipes/pipe_abc.py

@@ -7,10 +7,8 @@ from cpl.core.typing import T
 class PipeABC(ABC, Generic[T]):
     @staticmethod
     @abstractmethod
-    def to_str(value: T, *args) -> str:
-        pass
+    def to_str(value: T, *args) -> str: ...
 
     @staticmethod
     @abstractmethod
-    def from_str(value: str, *args) -> T:
-        pass
+    def from_str(value: str, *args) -> T: ...