fixes #235

collective · Jul 29, 2020 · 8e21059 · 8e21059
1 parent 4c39bcd
commit 8e21059
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diff --git a/news/235.bugfix b/news/235.bugfix
@@ -0,0 +1,2 @@
+Fixes #235: ``Module collective.easyform.fields, line 63, in superAdapter IndexError: tuple index out of range``.
+[jensens]
diff --git a/src/collective/easyform/fields.py b/src/collective/easyform/fields.py
@@ -59,9 +59,11 @@ def __getattr__(self, item):
     if not found:
         return None
 
-    provides = providedBy(adapter).declared[0]
+    provided_by_declared = providedBy(adapter).declared
+    if not provided_by_declared:
+        return None
 
-    return queryMultiAdapter(new_obj, provides, name=name)
+    return queryMultiAdapter(new_obj, provided_by_declared[0], name=name)
 
 
 @implementer(IValidator)