Fail if the current mode is not derived from python-mode

Elpy will also work in modes that are derived from python-mode, not just python-mode itself.
jorgenschaefer · May 17, 2015 · c422b57 · c422b57
1 parent dcc9438
commit c422b57
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/elpy.el b/elpy.el
@@ -441,7 +441,7 @@ virtualenv.
 
 \\{elpy-mode-map}"
   :lighter " Elpy"
-  (when (not (eq major-mode 'python-mode))
+  (when (not (derived-mode-p 'python-mode))
     (error "Elpy only works with `python-mode'"))
   (cond
    (elpy-mode