From 84c35553c9f8891a810ef2e613c7415eb12e2d2a Mon Sep 17 00:00:00 2001
From: Jeff Reback <jeff.reback@twosigma.com>
Date: Tue, 6 Jun 2017 06:06:45 -0400
Subject: [PATCH 1/2] BUG: pickle compat with UTC tz's

closes #16608
---
 pandas/compat/pickle_compat.py                |   2 +-
 .../0.19.2/0.19.2_x86_64_darwin_3.6.1.pickle  | Bin 125349 -> 126076 bytes
 .../tests/io/generate_legacy_storage_files.py |   8 +++++++-
 3 files changed, 8 insertions(+), 2 deletions(-)
 mode change 100644 => 100755 pandas/tests/io/generate_legacy_storage_files.py

diff --git a/pandas/compat/pickle_compat.py b/pandas/compat/pickle_compat.py
index b875bbb0d63c0..f6223c48994ae 100644
--- a/pandas/compat/pickle_compat.py
+++ b/pandas/compat/pickle_compat.py
@@ -15,7 +15,7 @@ def load_reduce(self):
     args = stack.pop()
     func = stack[-1]
 
-    if type(args[0]) is type:
+    if len(args) and type(args[0]) is type:
         n = args[0].__name__  # noqa
 
     try:
diff --git a/pandas/tests/io/data/legacy_pickle/0.19.2/0.19.2_x86_64_darwin_3.6.1.pickle b/pandas/tests/io/data/legacy_pickle/0.19.2/0.19.2_x86_64_darwin_3.6.1.pickle
index 6bb02672a4151c8d6536127fc94e68634e56c86d..75ea95ff402c4e9f0c93ef80e6c04baf7f0a70d7 100644
GIT binary patch
delta 785
zcmah{Ur19?7(d_H*{*vCuc`ZU4d>j<EtPHR=Au6at{w^|i1w6i%8c6u1xY3R6SGJY
z_SAPnG9n6mvdFkGi4Yc1FY^Xb4?)mF57D5YhaMYr?i|RVKO8t8eEj~M?>p=7gkK*7
zbDG^U-F;$y>Z#7`OHC!lFJ2x?bta}}FQG0)G3l&>LHyKm2&<d7X^i1`bK7ZB%&iwq
zwd6llol-|-TU=g`%UMMSLNY8dG}x!2>K{<2m(&4u44d}5@v*~-n>`aa6m6)H86ooF
zVb!;w`sAa^6^4sZJ6&ezZnRTmc*NGKJ@d?hu)~3h&Tvw4im%F~UCw)k!CEKIx7g_m
zhHs^A{)k?!>R=kg?-f8|#x+T*FBr{JN*5($dQ{1oxGv}2cOSQwJd6v2UYq9ii9mOF
zlKQYw`aRAXhq)qci@B7x&5WCV2?|=?KSE(r>uCQ-K}TyKR-G*qc9Z7tT%cFn<URkQ
zYP4eVNk!8(0x^JX{1Kdh*O&-3aPC~lS5k1{%TOcy#LuA{j^Z9~;|$0TSL8<vssa|g
z+UXI$RTx<<I2^E3<qN*)Oo66#bxH7d{#dt*+n)%Z=l1u)c5DhW&~Jvl2XrpF(#Hfs
zh_TyczQHAaMrD_>hd1Ir5Br*S!Bu>mgir7f1XJYfo`F!-#$;UsyRIra-ib&&MK&_?
z50Ey|LqR-dsn|ji(@_VVv6Q|{#)AEBJ3P3Sk8b6oaC?MG!q$Z~2*zP<b@eN3!z6aJ
Kx310?!2cVaaRo>K

delta 603
zcmex!gMH~`cGd=#sXDVZvTjk{JVC9Bk-eCOfg!7eWpbgEq(BakonaX}rFM!&hD}yA
z%VYy#$;rVQ;!GJVlP^k{Y+j(TpHW~6ilXH#lk>HtL??g*-Lj0C7#K>EvJNl<%>?RM
zsA$IqHotiDBP~rvrec=KilU|<%3oPha6i-_4TyDTSSEiE6=%FOd7`p3<AlwNbP}0Z
zBv=_3CLhpM*{rR<g^96b@&iK`{#c+G!jb8djg9OD!hvF%jbL}XWVmKUZEiAhVPs61
zeB3yXEf*-~%|Cgfv=~bX$hcjGs$i4kC(kmGW1KyCr%8vz5`_NM-i#S*Iy2VRPRUxq
zI@!itVzL%HmtfXppbCVo8(1gzm`X7APF`x7!Wgxg%S?(9pBeH%r^J}YG3HJ-w3Oxm
zxuVmVg?VzKh!jifl&q4;f6S$jREP^OfkeToI2eF{4X9F*6)ZS;w}l)~=`D*eh+#mV
zC|Ie;K#gPrDxOj@C8>Q%(3CbHOv;eYN}1eiS%$2bv1GHW6%(W26R3}%!OzYH3VtS8
zw#kZe;!MVDll>LN89kd9S#Mut%{ViW=^)#7+qsMeevC@f^IkLVg-6Zw;5Uq#0GDgF
A(*OVf

diff --git a/pandas/tests/io/generate_legacy_storage_files.py b/pandas/tests/io/generate_legacy_storage_files.py
old mode 100644
new mode 100755
index 22c62b738e6a2..996965999724e
--- a/pandas/tests/io/generate_legacy_storage_files.py
+++ b/pandas/tests/io/generate_legacy_storage_files.py
@@ -1,3 +1,5 @@
+#!/usr/env/bin python
+
 """ self-contained to write legacy storage (pickle/msgpack) files """
 from __future__ import print_function
 from warnings import catch_warnings
@@ -125,7 +127,11 @@ def create_data():
                  mixed_dup=mixed_dup_df,
                  dt_mixed_tzs=DataFrame({
                      u'A': Timestamp('20130102', tz='US/Eastern'),
-                     u'B': Timestamp('20130603', tz='CET')}, index=range(5))
+                     u'B': Timestamp('20130603', tz='CET')}, index=range(5)),
+                 dt_mixed2_tzs=DataFrame({
+                     u'A': Timestamp('20130102', tz='US/Eastern'),
+                     u'B': Timestamp('20130603', tz='CET'),
+                     u'C': Timestamp('20130603', tz='UTC')}, index=range(5))
                  )
 
     with catch_warnings(record=True):

From c7966ff050f82b6775ef6617d77e4087affdbe8d Mon Sep 17 00:00:00 2001
From: Jeff Reback <jeff.reback@twosigma.com>
Date: Tue, 6 Jun 2017 08:43:02 -0400
Subject: [PATCH 2/2] add v0.20.3 whatsnew

---
 doc/source/whatsnew.rst         |  2 +
 doc/source/whatsnew/v0.20.3.txt | 89 +++++++++++++++++++++++++++++++++
 2 files changed, 91 insertions(+)
 create mode 100644 doc/source/whatsnew/v0.20.3.txt

diff --git a/doc/source/whatsnew.rst b/doc/source/whatsnew.rst
index b1f9990a3e6af..3385bafc26467 100644
--- a/doc/source/whatsnew.rst
+++ b/doc/source/whatsnew.rst
@@ -20,6 +20,8 @@ These are new features and improvements of note in each release.
 
 .. include:: whatsnew/v0.21.0.txt
 
+.. include:: whatsnew/v0.20.3.txt
+
 .. include:: whatsnew/v0.20.2.txt
 
 .. include:: whatsnew/v0.20.0.txt
diff --git a/doc/source/whatsnew/v0.20.3.txt b/doc/source/whatsnew/v0.20.3.txt
new file mode 100644
index 0000000000000..2032209c4aa23
--- /dev/null
+++ b/doc/source/whatsnew/v0.20.3.txt
@@ -0,0 +1,89 @@
+.. _whatsnew_0203:
+
+v0.20.3 (June ??, 2017)
+-----------------------
+
+This is a minor bug-fix release in the 0.20.x series and includes some small regression fixes,
+bug fixes and performance improvements.
+We recommend that all users upgrade to this version.
+
+.. contents:: What's new in v0.20.3
+    :local:
+    :backlinks: none
+
+
+.. _whatsnew_0203.enhancements:
+
+Enhancements
+~~~~~~~~~~~~
+
+
+
+
+
+
+.. _whatsnew_0203.performance:
+
+Performance Improvements
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+
+
+
+
+
+.. _whatsnew_0203.bug_fixes:
+
+Bug Fixes
+~~~~~~~~~
+
+
+
+
+Conversion
+^^^^^^^^^^
+
+- Bug in pickle compat prior to the v0.20.x series, when ``UTC`` is a timezone in a Series/DataFrame/Index (:issue:`16608`)
+
+Indexing
+^^^^^^^^
+
+
+
+I/O
+^^^
+
+
+
+Plotting
+^^^^^^^^
+
+
+
+
+Groupby/Resample/Rolling
+^^^^^^^^^^^^^^^^^^^^^^^^
+
+
+
+Sparse
+^^^^^^
+
+
+
+
+Reshaping
+^^^^^^^^^
+
+
+
+Numeric
+^^^^^^^
+
+
+Categorical
+^^^^^^^^^^^
+
+
+Other
+^^^^^