Merge pull request #704 from z3ntu/issue/658

#658: Change configuration code for fish shell

thefuck/shells/fish.py

@@ -71,7 +71,7 @@ def or_(self, *commands):
 
     def how_to_configure(self):
         return self._create_shell_configuration(
-            content=u"eval (thefuck --alias | tr '\n' ';')",
+            content=u"thefuck --alias | source",
             path='~/.config/fish/config.fish',
             reload='fish')