if g:pymode_breakpoint_cmd is empty, skip pymode#breakpoint#operate

timfeirg · timfeirg · commit f1846dd37d42 · 2018-01-29T00:26:54.000+08:00
diff --git a/autoload/pymode/breakpoint.vim b/autoload/pymode/breakpoint.vim
@@ -25,6 +25,9 @@ EOF
 endfunction "}}}
 
 fun! pymode#breakpoint#operate(lnum) "{{{
+    if strlen(g:pymode_breakpoint_cmd) == 0
+        echoerr("g:pymode_breakpoint_cmd is empty string")
+        return
     let line = getline(a:lnum)
     if strridx(line, g:pymode_breakpoint_cmd) != -1
         normal dd
