bump version to 2.7, depend on py-1.4.29

CHANGELOG

@@ -23,6 +23,10 @@
 - fix issue718: failed to create representation of sets containing unsortable
   elements in python 2. Thanks Edison Gustavo Muenz
 
+- fix issue756, fix issue752 (and similar issues): depend on py-1.4.29
+  which has a refined algorithm for traceback generation.
+
+
 2.7.1 (compared to 2.7.0)
 -----------------------------
 

_pytest/__init__.py

@@ -1,2 +1,2 @@
 #
-__version__ = '2.7.1'
+__version__ = '2.7.2'

setup.py

@@ -48,7 +48,7 @@ def has_environment_marker_support():
 
 
 def main():
-    install_requires = ['py>=1.4.25']
+    install_requires = ['py>=1.4.29']
     extras_require = {}
     if has_environment_marker_support():
         extras_require[':python_version=="2.6" or python_version=="3.0" or python_version=="3.1"'] = ['argparse']