loader registry none check

Author: hallvictoria

azure_functions_worker/loader.py

@@ -249,7 +249,8 @@ def get_fx_raw_bindings(indexed_function, function_info):
     # 1. Library is imported
     # 2. At least one binding is a defined deferred binding type
     # 3. DEFERRED_BINDINGS_REGISTRY is not None
-    if bindings.meta.DEFERRED_BINDINGS_ENABLED:
+    if (bindings.meta.DEFERRED_BINDINGS_ENABLED
+            and bindings.meta.DEFERRED_BINDINGS_REGISTRY is not None):
         # Reset the flag
         bindings.meta.DEFERRED_BINDINGS_ENABLED = False
         return bindings.meta.DEFERRED_BINDINGS_REGISTRY.get_raw_bindings(