Unpin pymysql/xlsxwriter in affected builds to check...

Author: h-vetinari

ci/deps/azure-35-compat.yaml

@@ -17,7 +17,7 @@ dependencies:
   - pytz=2015.4
   - scipy=0.18.1
   - xlrd=1.0.0
-  - xlsxwriter=0.8.2
+  - xlsxwriter
   - xlwt=1.0.0
   # universal
   - pytest

ci/deps/travis-35.yaml

@@ -22,7 +22,7 @@ dependencies:
   - py
   - pyarrow=0.9.0
   - PyCrypto
-  - pymysql=0.7.6
+  - pymysql
   - pytables
   - blosc=1.14.3
   - python-blosc

doc/source/whatsnew/v0.25.0.rst

@@ -43,13 +43,13 @@ minimum versions. If installed, we now require:
 +-----------------+-----------------+----------+
 | openpyxl        | 2.2.6           |          |
 +-----------------+-----------------+----------+
-| pymysql         | 0.7.6           |          |
+| pymysql         | ?               |          |
 +-----------------+-----------------+----------+
 | pytz            | 2015.4          |          |
 +-----------------+-----------------+----------+
 | sqlalchemy      | 1.0.8           |          |
 +-----------------+-----------------+----------+
-| xlsxwriter      | 0.8.2           |          |
+| xlsxwriter      | 0.7.7           |          |
 +-----------------+-----------------+----------+
 | xlwt            | 1.0.0           |          |
 +-----------------+-----------------+----------+