adding test requirements

.travis.yml

@@ -13,14 +13,16 @@ cache:
   - "$HOME/.cache/pip"
 jobs:
   include:
+    - python: '3.5'
     - python: '3.6'
     - python: '3.7'
+    - python: '3.8'
 
 install:
     - travis_retry python -m pip install -U pip
     - travis_retry python -m pip install -U setuptools
     - travis_retry python -m pip install -U numpy pybind11
-    - travis_retry python -m pip install -U -r requirements-dev.txt
+    - travis_retry python -m pip install -U -r requirements-test.txt
     - travis_retry python setup.py develop
 
 script:

docs/user/install.rst

@@ -3,7 +3,7 @@
 Installation
 ============
 
-.. note:: ``exoplanet`` requires Python 3.6 or later.
+.. note:: ``exoplanet`` has been tested on Python 3.5 and later.
 
 *exoplanet* doesn't have a compiled components so it can be easily installed from source or by using pip.
 

requirements-dev.txt

@@ -1,17 +1,4 @@
--r requirements.txt
-scipy
-nose
-parameterized
-pytest
-pytest-cov>=2.6.1
-pytest-env
-coveralls
-pybind11
-celerite>=0.3.1
-starry
-batman-package
-radvel
-rebound
+-r requirements-test.txt
 black
 isort
 flake8

requirements-test.txt

@@ -0,0 +1,14 @@
+-r requirements.txt
+scipy
+nose
+parameterized
+pytest
+pytest-cov>=2.6.1
+pytest-env
+coveralls
+pybind11
+celerite>=0.3.1
+starry
+batman-package
+radvel
+rebound

src/exoplanet/distributions/deprecated.py

@@ -117,7 +117,7 @@ def get_joint_radius_impact(
     max_radius=1,
     testval_r=None,
     testval_b=None,
-    **kwargs
+    **kwargs,
 ):
     """Get the joint distribution over radius and impact parameter
 
@@ -174,7 +174,7 @@ def get_joint_radius_impact(
         max_radius=max_radius,
         shape=(2, N_planets),
         testval=rb_test,
-        **kwargs
+        **kwargs,
     )
 
     # Extract the individual components

src/exoplanet/sampling.py

@@ -47,7 +47,7 @@ def get_step_for_trace(
         model=None,
         regular_window=0,
         regular_variance=1e-3,
-        **kwargs
+        **kwargs,
     ):
         """Get a PyMC3 NUTS step tuned for a given burn-in trace
 
@@ -164,7 +164,7 @@ def extend_tune(
         step_kwargs=None,
         trace=None,
         step=None,
-        **kwargs
+        **kwargs,
     ):
         """Extend the tuning phase by a given number of steps
 
@@ -213,7 +213,7 @@ def tune(self, tune=1000, start=None, step_kwargs=None, **kwargs):
                 step_kwargs=step_kwargs,
                 steps=steps,
                 trace=trace,
-                **kwargs
+                **kwargs,
             )
             steps *= 2
             if self.count + steps + steps * 2 > tune:
@@ -225,7 +225,7 @@ def tune(self, tune=1000, start=None, step_kwargs=None, **kwargs):
             step_kwargs=step_kwargs,
             steps=self.finish,
             trace=trace,
-            **kwargs
+            **kwargs,
         )
 
         # Copy across the step size from the parallel runs