fix context usage in ExceptionHandlerControllerWrapper

hapic/decorator.py

         http_code: HTTPStatus=HTTPStatus.INTERNAL_SERVER_ERROR,
     ) -> None:
         self.handled_exception_class = handled_exception_class
-        self.context = context
+        self._context = context
         self.http_code = http_code
 
+    @property
+    def context(self) -> ContextInterface:
+        if callable(self._context):
+            return self._context()
+        return self._context
+
     def _execute_wrapped_function(
         self,
         func,

setup.py

     # Versions should comply with PEP440.  For a discussion on single-sourcing
     # the version across setup.py and the project code, see
     # https://packaging.python.org/en/latest/single_source_version.html
-    version='0.0.3.1',
+    version='0.0.3.2',
 
     description='HTTP api input/output manager',
     # long_description=long_description,