CI: tests latest versions of openpyxl

Author: jreback

ci/install_conda.sh

@@ -78,15 +78,23 @@ conda config --set ssl_verify false || exit 1
 # Useful for debugging any issues with conda
 conda info -a || exit 1
 
+REQ="ci/requirements-${TRAVIS_PYTHON_VERSION}${JOB_TAG}.txt"
 conda create -n pandas python=$TRAVIS_PYTHON_VERSION || exit 1
-conda install -n pandas --file=ci/requirements-${TRAVIS_PYTHON_VERSION}${JOB_TAG}.txt || exit 1
+conda install -n pandas --file=${REQ} || exit 1
 
 conda install -n pandas pip setuptools nose || exit 1
 conda remove -n pandas pandas
 
 source activate pandas
 
-pip install -U blosc  # See https://github.com/pydata/pandas/pull/9783
+# we may have additional pip installs
+REQ="ci/requirements-${TRAVIS_PYTHON_VERSION}${JOB_TAG}.pip"
+if [ -e ${REQ} ]; then
+    pip install -r $REQ
+fi
+
+# install blosc See https://github.com/pydata/pandas/pull/9783
+pip install -U blosc
 python -c 'import blosc; blosc.print_versions()'
 
 # set the compiler cache to work

ci/requirements-3.3.pip

@@ -0,0 +1 @@
+openpyxl

ci/requirements-3.3.txt

@@ -1,6 +1,5 @@
 python-dateutil
 pytz=2013b
-openpyxl=1.6.2
 xlsxwriter=0.4.6
 xlrd=0.9.2
 html5lib=1.0b2