From df038d8f05d958aa73745ab88ae3e07e07800abf Mon Sep 17 00:00:00 2001
From: Dave Halter <davidhalter88@gmail.com>
Date: Thu, 30 May 2019 00:17:38 +0200
Subject: [PATCH] Modules are obviously not executable, but should not lead to
 traceback when executed

---
 jedi/plugins/stdlib.py   | 2 +-
 test/completion/basic.py | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/jedi/plugins/stdlib.py b/jedi/plugins/stdlib.py
index 1b5d6ecd..66692ef2 100644
--- a/jedi/plugins/stdlib.py
+++ b/jedi/plugins/stdlib.py
@@ -108,7 +108,7 @@ class StdlibPlugin(BasePlugin):
             else:
                 if context.parent_context == self._evaluator.builtins_module:
                     module_name = 'builtins'
-                elif context.parent_context.is_module():
+                elif context.parent_context is not None and context.parent_context.is_module():
                     module_name = context.parent_context.name.string_name
                 else:
                     return callback(context, arguments=arguments)
diff --git a/test/completion/basic.py b/test/completion/basic.py
index b72cc3d6..14cfc6e9 100644
--- a/test/completion/basic.py
+++ b/test/completion/basic.py
@@ -295,6 +295,11 @@ __file__
 #? ['__file__']
 __file__
 
+#? str()
+math.__file__
+# Should not lead to errors
+#?
+math()
 
 # -----------------
 # with statements