fix additional cases hit by grep

Author: jschendel

pandas/_version.py

@@ -12,6 +12,7 @@
 import re
 import subprocess
 import sys
+from pandas.compat import PY3
 
 
 def get_keywords():
@@ -83,7 +84,7 @@ def run_command(commands, args, cwd=None, verbose=False, hide_stderr=False):
             print("unable to find command, tried %s" % (commands,))
         return None
     stdout = p.communicate()[0].strip()
-    if sys.version_info[0] >= 3:
+    if PY3:
         stdout = stdout.decode()
     if p.returncode != 0:
         if verbose:

pandas/tests/io/formats/test_format.py

@@ -1256,8 +1256,6 @@ def test_to_string_float_formatting(self):
 
         df_s = df.to_string()
 
-        # Python 2.5 just wants me to be sad. And debian 32-bit
-        # sys.version_info[0] == 2 and sys.version_info[1] < 6:
         if _three_digit_exp():
             expected = ('              x\n0  0.00000e+000\n1  2.50000e-001\n'
                         '2  3.45600e+003\n3  1.20000e+046\n4  1.64000e+006\n'
@@ -1281,8 +1279,7 @@ def test_to_string_float_formatting(self):
 
         df = DataFrame({'x': [1e9, 0.2512]})
         df_s = df.to_string()
-        # Python 2.5 just wants me to be sad. And debian 32-bit
-        # sys.version_info[0] == 2 and sys.version_info[1] < 6:
+
         if _three_digit_exp():
             expected = ('               x\n'
                         '0  1.000000e+009\n'

pandas/tests/io/parser/common.py

@@ -1277,8 +1277,7 @@ def test_verbose_import(self):
 
     def test_iteration_open_handle(self):
         if PY3:
-            pytest.skip(
-                "won't work in Python 3 {0}".format(sys.version_info))
+            pytest.skip("won't work in Python 3")
 
         with tm.ensure_clean() as path:
             with open(path, 'wb') as f: