diff --git a/mrepo.py b/mrepo.py
index 38e555c..adb4943 100755
--- a/mrepo.py
+++ b/mrepo.py
@@ -18,6 +18,7 @@
 import getopt
 import glob
 import os
+from os.path import exists as path_exists
 from os.path import join as path_join
 
 import re
@@ -492,7 +493,7 @@ def rpmlist(self):
 
         def addfile((filelist, ), path, files):
             for file in files:
-                if os.path.exists(path_join(path, file)) and file.endswith('.rpm'):
+                if path_exists(path_join(path, file)) and file.endswith('.rpm'):
                     size = os.stat(path_join(path, file)).st_size
                     filelist.add((file, size))
 
@@ -545,9 +546,9 @@ def lock(self, action):
             os.close(fd)
             return True
         except:
-            if os.path.exists(lockfile):
+            if path_exists(lockfile):
                 pid = open(lockfile).read()
-                if os.path.exists('/proc/%s' % pid):
+                if path_exists('/proc/%s' % pid):
                     error(0, '%s: Found existing lock %s owned by pid %s' % (self.dist.nick, lockfile, pid))
                 else:
                     info(6, '%s: Removing stale lock %s' % (self.dist.nick, lockfile))
@@ -563,7 +564,7 @@ def unlock(self, action):
             return True
         lockfile = path_join(cf.lockdir, self.dist.nick, action + '-' + self.name + '.lock')
         info(6, '%s: Removing lock %s' % (self.dist.nick, lockfile))
-        if os.path.exists(lockfile):
+        if path_exists(lockfile):
             pid = open(lockfile).read()
             if pid == '%s' % os.getpid():
                 os.unlink(lockfile)
@@ -807,7 +808,7 @@ def copy(src, dst):
     if os.path.islink(dst) or os.path.isfile(dst):
         os.unlink(dst)
     mkdir(os.path.dirname(dst))
-    if not os.path.exists(dst):
+    if not path_exists(dst):
         if os.path.isfile(src):
             shutil.copy2(src, dst)
         elif os.path.isdir(src):
@@ -845,7 +846,7 @@ def mkdir(path):
         return
     if os.path.islink(path):
         os.unlink(path)
-    if not os.path.exists(path):
+    if not path_exists(path):
         os.makedirs(path)
 
 
@@ -1092,7 +1093,6 @@ def listrpms(dirs, relative=''):
     if relative and not relative.endswith('/'):
         relative += '/'
     isdir = os.path.isdir
-    pathexists = os.path.exists
 
     def processdir(rpms, path, files):
         if relative: