--- a/eric7/E5Utilities/E5MutexLocker.py	Sat May 22 12:54:57 2021 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,50 +0,0 @@
-# -*- coding: utf-8 -*-
-
-# Copyright (c) 2020 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
-#
-
-"""
-Module implementing a context manager locking and unlocking a mutex.
-"""
-
-import contextlib
-
-
-class E5MutexLocker(contextlib.AbstractContextManager):
-    """
-    Class implementing a context manager locking and unlocking a mutex.
-    """
-    def __init__(self, mutex):
-        """
-        Constructor
-        
-        @param mutex reference to the mutex to be locked
-        @type QMutex or QRecursiveMutex
-        """
-        self.__mutex = mutex
-    
-    def __enter__(self):
-        """
-        Special method called when entering the runtime ccontext.
-        
-        @return reference to the context manager object
-        @rtype E5OverrideCursor
-        """
-        self.__mutex.lock()
-        
-        return self
-    
-    def __exit__(self, exc_type, exc_value, traceback):
-        """
-        Special method called when exiting the runtime ccontext.
-        
-        @param exc_type type of an exception raised in the runtime context
-        @param exc_value value of an exception raised in the runtime context
-        @param traceback traceback of an exception raised in the runtime
-            context
-        @return always returns None to not suppress any exception
-        @rtype None
-        """
-        self.__mutex.unlock()
-        
-        return None     # __IGNORE_WARNING_M831__