diff --git a/.travis.yml b/.travis.yml
index dbb1b8ca..65fc1b39 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,8 @@ python:
   # We don't actually use the Travis Python, but this keeps it organized.
   - "2.7"
   - "3.6"
+  - "3.7"
+  - "3.8"
 env:
   global:
     - COVERALLS_PARALLEL=true
@@ -30,19 +32,19 @@ install:
   - conda info -a
 
   # create environment and install dependencies
-  - conda create -q -n test-environment python=$TRAVIS_PYTHON_VERSION coveralls
+  - conda create -q -n test-environment python=$TRAVIS_PYTHON_VERSION
+  - conda env update -n test-environment -f environment.yml
   - source activate test-environment
-  - conda install numpy scipy matplotlib astropy scikit-learn h5py coveralls aipy six pycodestyle pydocstyle pytest-cov
+  # grab newest pyuvdata just in case
   - pip install git+https://github.com/RadioAstronomySoftwareGroup/pyuvdata.git
-  - pip install git+https://github.com/HERA-Team/linsolve.git
-  - pip install git+https://github.com/HERA-Team/uvtools.git
-  - pip install git+https://github.com/HERA-Team/hera_cal.git
+  # install a few extras that we need for tests
+  - conda install matplotlib coveralls pycodestyle pydocstyle
   - conda list
 before_script:
   - python -c "from pyuvdata import version; version.main()"
 script:
-  - python -m pytest hera_qm --cov=hera_qm --cov-config=.coveragerc --cov-report xml:./coverage.xml --cov-report term
-  - pycodestyle */*.py hera_qm/tests/*.py --ignore=E501,W503
+  - pytest --cov-report xml:./coverage.xml --cov-report term
+  - pycodestyle
   - pydocstyle hera_qm/*.py --convention=numpy
 after_success:
   - coveralls
diff --git a/README.md b/README.md
index 80d16f96..abfde052 100644
--- a/README.md
+++ b/README.md
@@ -19,15 +19,15 @@ will also be flexible to enable the third goal, and we welcome contributions (se
 
 ## Installation
 Preferred method of installation for users is simply `pip install .`
-(or `pip install git+https://github.com/HERA-Team/hera_qm`). This will install 
+(or `pip install git+https://github.com/HERA-Team/hera_qm`). This will install
 required dependencies. See below for manual dependency management.
- 
+
 ### Dependencies
 If you are using `conda`, you may wish to install the following dependencies manually
 to avoid them being installed automatically by `pip`::
 
-    $ conda install -c conda-forge "numpy>=1.10" "astropy>=2.0" "aipy>=3.0rc2" h5py pyuvdata
-    
+    $ conda install -c conda-forge "numpy>=1.10" "astropy>=2.0.16" "aipy>=3.0rc2" h5py pyuvdata
+
 ### Developing
 If you are developing `hera_qm`, it is preferred that you do so in a fresh `conda`
 environment. The following commands will install all relevant development packages::
@@ -37,9 +37,9 @@ environment. The following commands will install all relevant development packag
     $ conda create -n hera_qm python=3
     $ conda activate hera_qm
     $ conda env update -n hera_qm -f environment.yml
-    $ pip install -e . 
+    $ pip install -e .
 
-This will install extra dependencies required for testing/development as well as the 
+This will install extra dependencies required for testing/development as well as the
 standard ones.
 
 ### Running Tests
diff --git a/environment.yml b/environment.yml
index c6842cc8..44395943 100644
--- a/environment.yml
+++ b/environment.yml
@@ -3,10 +3,9 @@ channels:
   - defaults
   - conda-forge
 dependencies:
-  - nose
   - numpy>=1.10
   - pip
-  - astropy>=2.0
+  - astropy>=2.0.16
   - h5py
   - six
   - pyuvdata
@@ -16,5 +15,3 @@ dependencies:
   - pytest-cov
   - pip:
     - git+https://github.com/HERA-Team/hera_cal
-
-
diff --git a/setup.cfg b/setup.cfg
index c6bfb182..4274b292 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -2,4 +2,12 @@
 test=pytest
 
 [tool:pytest]
-addopts = --ignore=scripts
+addopts = --ignore=scripts --cov=hera_qm --cov-config=.coveragerc
+
+[pycodestyle]
+ignore = E501,W503
+filename = *.py
+exclude = build/,docs/,.pytest_cache,.svn,CVS,.bzr,.hg,.git,__pycache__,dist/,scripts/,hera_qm.egg-info,hera_qm/data/
+
+[pydocstyle]
+convention = numpy
diff --git a/setup.py b/setup.py
index 7a5e65af..b27fc473 100644
--- a/setup.py
+++ b/setup.py
@@ -1,10 +1,11 @@
 from setuptools import setup
-import os, sys
+import os
+import sys
 import os.path as op
 import json
 
 sys.path.append('hera_qm')
-import version
+import version  # noqa
 
 data = [version.git_origin, version.git_hash, version.git_description, version.git_branch]
 with open(op.join('hera_qm', 'GIT_INFO'), 'w') as outfile:
@@ -43,7 +44,7 @@ def package_files(package_dir, subdirectory):
     'package_data': {'hera_qm': data_files},
     'setup_requires': ['pytest-runner'],
     'install_requires': [
-        'astropy>=2.0',
+        'astropy>=2.0.16',
         'h5py',
         'six',
         'numpy>=1.10',