Removed duplicate element in initializer

MarcelWaldvogel · MarcelWaldvogel · commit 33d3885075d7 · 2019-06-16T15:51:17.000+02:00
(does not make a difference to the resulting set, but reduces confusion
potential)
diff --git a/pygit2/errors.py b/pygit2/errors.py
@@ -30,8 +30,7 @@
 from _pygit2 import GitError
 
 
-value_errors = set([C.GIT_EEXISTS, C.GIT_EINVALIDSPEC, C.GIT_EEXISTS,
-                    C.GIT_EAMBIGUOUS])
+value_errors = set([C.GIT_EEXISTS, C.GIT_EINVALIDSPEC, C.GIT_EAMBIGUOUS])
 
 def check_error(err, io=False):
     if err >= 0:
