Obspy for python 3.7 is now also on conda.

.travis.yml

@@ -29,11 +29,11 @@ before_install:
   - conda create --yes -n condaenv python=$TRAVIS_PYTHON_VERSION
   - conda install --yes -n condaenv pip
   - source activate condaenv
-  - conda install --yes -c conda-forge nomkl scipy matplotlib lxml nose pytest sphinx h5py tornado click python=$TRAVIS_PYTHON_VERSION jsonschema netcdf4 geographiclib
+  - conda install --yes -c conda-forge nomkl obspy nose pytest sphinx h5py tornado click python=$TRAVIS_PYTHON_VERSION jsonschema netcdf4 geographiclib
   # concurrent.futures backport for Python 2.7
   - if [[ $TRAVIS_PYTHON_VERSION == '2.7' ]]; then pip install futures ; fi
-  # Always install latest flake8 and obspy.
-  - pip install flake8 obspy
+  # Always install latest flake8
+  - pip install flake8
   # Only install the theme for Python 2.7 as it builds the docs.
   - if [[ $TRAVIS_PYTHON_VERSION == '2.7' ]]; then pip install sphinx-bootstrap-theme ; fi
   - pip install coveralls