improve code readability

mercurial/dispatch.py

@@ -335,7 +335,7 b' def _dispatch(ui, args):'
     path = _findrepo(os.getcwd()) or ""
     if not path:
         lui = ui
-    if path:
+    else:
         try:
             lui = ui.copy()
             lui.readconfig(os.path.join(path, ".hg", "hgrc"))

mercurial/repo.py

@@ -40,4 +40,5 b' class repository(object):'
         url = self.url()
         if url.endswith('/'):
             return url + path
-        return url + '/' + path
+        else:
+            return url + '/' + path

mercurial/ui.py

@@ -199,7 +199,7 b' class ui(object):'
     def _path(self, loc):
         p = self.config('paths', loc)
         if p and '%%' in p:
-            self.warn('(deprecated \'%%\' in path %s=%s from %s)\n' %
+            self.warn("(deprecated '%%' in path %s=%s from %s)\n" %
                     (loc, p, self.configsource('paths', loc)))
             p = p.replace('%%', '%')
         return p