Merge pull request #5411 from jreback/dateutil_fix

BLD: dateutil-2.2 patch

Author: jreback

ci/requirements-3.3.txt

@@ -1,4 +1,4 @@
-python-dateutil==2.1
+python-dateutil==2.2
 pytz==2013b
 openpyxl==1.6.2
 xlsxwriter==0.4.3

pandas/tseries/tools.py

@@ -305,6 +305,10 @@ def dateutil_parse(timestr, default,
 
     res = DEFAULTPARSER._parse(fobj, **kwargs)
 
+    # dateutil 2.2 compat
+    if isinstance(res, tuple):
+        res, _ = res
+
     if res is None:
         raise ValueError("unknown string format")