MAINT: Replace basestring with str.

This replaces basestring with str except in

- tools/npy_tempita/
- numpy/compat/py3k.py

1 files changed, 2 insertions, 4 deletions

diff --git a/numpy/lib/_version.py b/numpy/lib/_version.py
index 6a7c5cba1..d4098acb5 100644
--- a/numpy/lib/_version.py
+++ b/numpy/lib/_version.py
@@ -7,8 +7,6 @@ work; they don't recognize anything like alpha/beta/rc/dev versions.
 """
 import re
 
-from numpy.compat import basestring
-
 
 __all__ = ['NumpyVersion']
 
@@ -114,10 +112,10 @@ class NumpyVersion():
         return vercmp
 
     def _compare(self, other):
-        if not isinstance(other, (basestring, NumpyVersion)):
+        if not isinstance(other, (str, NumpyVersion)):
             raise ValueError("Invalid object to compare with NumpyVersion.")
 
-        if isinstance(other, basestring):
+        if isinstance(other, str):
             other = NumpyVersion(other)
 
         vercmp = self._compare_version(other)