暂时修复 python-layer , s i 的问题

from syl20bnr/spacemacs#7070
等不及PR了

layers/liu233w/packages.el

@@ -56,6 +56,7 @@
     chinese-pyim-greatdict
     chinese-pyim-basedict
     chinese-pyim
+    (python :location built-in)
     )
   "The list of Lisp packages required by the liu233w layer.
 
@@ -542,4 +543,33 @@ Each entry is either:
   ;; ========================================================================
   )
 
+(defun liu233w/post-init-python ()
+  ;; fix: https://github.com/gregsexton/ob-ipython/issues/28
+  (setq python-shell-completion-native-enable nil)
+
+  ;; from: https://github.com/syl20bnr/spacemacs/pull/7070
+  ;; 我等不及合并PR 了
+  (defun fix-to-python-start-or-switch-repl ()
+    "Start and/or switch to the REPL."
+    (interactive)
+    (let ((shell-process
+           (or (python-shell-get-process)
+               ;; `run-python' has different return values and different
+               ;; errors in different emacs versions. In 24.4, it throws an
+               ;; error when the process didn't start, but in 25.1 it
+               ;; doesn't throw an error, so we demote errors here and
+               ;; check the process later
+               (with-demoted-errors "Error: %S"
+                 ;; in Emacs 24.5 and 24.4, `run-python' doesn't return the
+                 ;; shell process
+                 (call-interactively #'run-python)
+                 (python-shell-get-process)))))
+      (unless shell-process
+        (error "Failed to start python shell properly"))
+      (pop-to-buffer (process-buffer shell-process))
+      (evil-insert-state)))
+  (advice-add #'python-start-or-switch-repl :override
+              #'fix-to-python-start-or-switch-repl)
+  )
+
 ;;; packages.el ends here