fix: try to speed-up build

Author: bednar

.travis.yml

@@ -41,7 +41,6 @@ install:
     - pip install tox-travis
     - pip install setuptools
     - pip install coveralls
-    - pip list
     - mkdir -p "influxdb_install/${INFLUXDB_VER}"
     - if [ -n "${INFLUXDB_VER}" ] ; then wget "https://dl.influxdata.com/influxdb/releases/influxdb_${INFLUXDB_VER}_amd64.deb" ; fi
     - if [ -n "${INFLUXDB_VER}" ] ; then dpkg -x influxdb*.deb "influxdb_install/${INFLUXDB_VER}" ; fi

influxdb/_dataframe_client.py

@@ -305,7 +305,7 @@ def _convert_dataframe_to_json(dataframe,
              'time': np.int64(ts.value / precision_factor)}
             for ts, tag, (_, rec) in zip(
                 dataframe.index,
-                dataframe[tag_columns].to_dict('record'),
+                dataframe[tag_columns].to_dict('records'),
                 dataframe[field_columns].iterrows()
             )
         ]

tox.ini

@@ -17,7 +17,7 @@ deps = -r{toxinidir}/requirements.txt
        py38: pandas==1.1.2
        py38: numpy==1.19.0
        py39: pandas==1.1.2
-       py39: numpy==1.19.0
+       py39: numpy==1.19.2
 # Only install pandas with non-pypy interpreters
 # Testing all combinations would be too expensive
 commands = nosetests -v --with-doctest {posargs}