Merge pull request #1507 from xonsh/fix_ply_version

fix reported PLY version in bundled PLY

news/ply.rst

@@ -0,0 +1,14 @@
+**Added:** None
+
+**Changed:** None
+
+**Deprecated:** None
+
+**Removed:** None
+
+**Fixed:** 
+
+* Version number reported by bundled PLY
+* ``xonfig`` no longer breaks if PLY is externally installed and version 3.8
+
+**Security:** None

xonsh/ply/__init__.py

@@ -1,5 +1,5 @@
 # PLY package
 # Author: David Beazley (dave@dabeaz.com)
 
-__version__ = '3.7'
+__version__ = '3.8'
 __all__ = ['lex','yacc']

xonsh/xonfig.py

@@ -337,6 +337,10 @@ def _xonfig_format_json(data):
 
 def _info(ns):
     env = builtins.__xonsh_env__
+    try:
+        ply.__version__ = ply.__version__
+    except AttributeError:
+        ply.__version__ = '3.8'
     data = [
         ('xonsh', XONSH_VERSION),
         ('Git SHA', githash()),