fix: Error of loop management in the context manager

When leaving the IO context manager, the loop flag was not reset
properly. The context manager could therefore only be traversed once.

Signed-off-by: Sven Sager <akira@narux.de>

src/revpimodio2/io.py

@@ -121,7 +121,7 @@ class IOList(object):
             # Wait until imgwriter has written outputs
             self.__modio._imgwriter.newdata.wait(2.5)
 
-        if self.__modio._context_manager:
+        if not self.__modio._context_manager:
             # Do not reset if ModIO is in a context manager itself, it will handle that flag
             self.__modio._looprunning = False