Replace backticks with repr() or "%r"

From SF patch #852334.

1 files changed, 4 insertions, 4 deletions

diff --git a/Lib/difflib.py b/Lib/difflib.py
index 699845c..c074b19 100644
--- a/Lib/difflib.py
+++ b/Lib/difflib.py
@@ -689,9 +689,9 @@ def get_close_matches(word, possibilities, n=3, cutoff=0.6):
     """
 
     if not n >  0:
-        raise ValueError("n must be > 0: " + `n`)
+        raise ValueError("n must be > 0: %r" % (n,))
     if not 0.0 <= cutoff <= 1.0:
-        raise ValueError("cutoff must be in [0.0, 1.0]: " + `cutoff`)
+        raise ValueError("cutoff must be in [0.0, 1.0]: %r" % (cutoff,))
     result = []
     s = SequenceMatcher()
     s.set_seq2(word)
@@ -876,7 +876,7 @@ class Differ:
             elif tag == 'equal':
                 g = self._dump(' ', a, alo, ahi)
             else:
-                raise ValueError, 'unknown tag ' + `tag`
+                raise ValueError, 'unknown tag %r' % (tag,)
 
             for line in g:
                 yield line
@@ -988,7 +988,7 @@ class Differ:
                     atags += ' ' * la
                     btags += ' ' * lb
                 else:
-                    raise ValueError, 'unknown tag ' + `tag`
+                    raise ValueError, 'unknown tag %r' % (tag,)
             for line in self._qformat(aelt, belt, atags, btags):
                 yield line
         else: