Updated plugins

sources_non_forked/syntastic/syntax_checkers/python/frosted.vim

@@ -19,9 +19,7 @@ let s:save_cpo = &cpo
 set cpo&vim
 
 function! SyntaxCheckers_python_frosted_GetLocList() dict
-    let makeprg = self.makeprgBuild({
-        \ 'exe_before': (syntastic#util#isRunningWindows() ? '' : 'TERM=dumb'),
-        \ 'args_after': '-vb' })
+    let makeprg = self.makeprgBuild({ 'args_after': '-vb' })
 
     let errorformat =
         \ '%f:%l:%c:%m,' .
@@ -29,9 +27,12 @@ function! SyntaxCheckers_python_frosted_GetLocList() dict
         \ '%-Z%p^,' .
         \ '%-G%.%#'
 
+    let env = syntastic#util#isRunningWindows() ? {} : { 'TERM': 'dumb' }
+
     let loclist = SyntasticMake({
         \ 'makeprg': makeprg,
         \ 'errorformat': errorformat,
+        \ 'env': env,
         \ 'returns': [0, 1] })
 
     for e in loclist