emulating string.letters for py3

sympy · Jan 1, 2013 · f910c1f · f910c1f
1 parent fb216dc
commit f910c1f
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/sympy/core/symbol.py b/sympy/core/symbol.py
@@ -391,7 +391,8 @@ def symbols(names, **args):
 
             if match is not None:
                 name, start, end, suffix = match.groups()
-                letters = list(string.letters)
+                letters = list(string.ascii_lowercase + string.ascii_uppercase
+                        + string.digits)
                 start = letters.index(start)
                 end = letters.index(end)