Remove restriction on precision when formatting floats.  This is the
first step towards removing the %f -> %g switch (see issues 7117,
5859).
diff --git a/Lib/test/string_tests.py b/Lib/test/string_tests.py
index e66855d..caff3d4 100644
--- a/Lib/test/string_tests.py
+++ b/Lib/test/string_tests.py
@@ -1090,14 +1090,7 @@
             value = 0.01
             for x in xrange(60):
                 value = value * 3.141592655 / 3.0 * 10.0
-                # The formatfloat() code in stringobject.c and
-                # unicodeobject.c uses a 120 byte buffer and switches from
-                # 'f' formatting to 'g' at precision 50, so we expect
-                # OverflowErrors for the ranges x < 50 and prec >= 67.
-                if x < 50 and prec >= 67:
-                    self.checkraises(OverflowError, format, "__mod__", value)
-                else:
-                    self.checkcall(format, "__mod__", value)
+                self.checkcall(format, "__mod__", value)
 
     def test_inplace_rewrites(self):
         # Check that strings don't copy and modify cached single-character strings