Enable Travis CI, fix tests and add auto-deploy to PyPi on Travis (#7)

Completed the following:

* Setup Travis CI to automatically test code
* Fix some issues with tests
* Add auto-deploy option to PyPi (not tested)

.travis.yml

@@ -0,0 +1,13 @@
+language: python
+python:
+- 3.6
+install: pip install -r requirements.txt
+script: python tests/test_polarTransform.py
+deploy:
+  provider: pypi
+  distributions: sdist bdist_wheel
+  user: addisonElliott
+  on:
+    tags: true
+  password:
+    secure: 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

requirements.txt

@@ -1,4 +1,5 @@
 numpy
 scipy
 scikit-image
-numpydoc
+numpydoc
+imageio

tests/test_polarTransform.py

@@ -1,19 +1,19 @@
+import os
+import sys
 import unittest
+
 import numpy as np
-import polarTransform
-import sys
-import os
 
-sys.path.append(os.path.dirname(os.path.abspath(__file__)))
+sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 from util import loadImage, assert_image_equal
 
+import polarTransform
+
 
 class TestPolarConversion(unittest.TestCase):
     def setUp(self):
         self.shortAxisApexImage = loadImage('shortAxisApex.png')
         self.verticalLinesImage = loadImage('verticalLines.png')
-        # self.horizontalLinesImage = loadImage('horizontalLines.png')
-        # self.checkerboardImage = loadImage('checkerboard.png')
 
         self.shortAxisApexPolarImage = loadImage('shortAxisApexPolarImage.png')
         self.shortAxisApexPolarImage_centerMiddle = loadImage('shortAxisApexPolarImage_centerMiddle.png')
@@ -158,8 +158,6 @@ class TestCartesianConversion(unittest.TestCase):
     def setUp(self):
         self.shortAxisApexImage = loadImage('shortAxisApex.png')
         self.verticalLinesImage = loadImage('verticalLines.png')
-        # self.horizontalLinesImage = loadImage('horizontalLines.png')
-        # self.checkerboardImage = loadImage('checkerboard.png')
 
         self.shortAxisApexPolarImage = loadImage('shortAxisApexPolarImage.png')
         self.shortAxisApexPolarImage_centerMiddle = loadImage('shortAxisApexPolarImage_centerMiddle.png')
@@ -354,8 +352,6 @@ class TestPolarAndCartesianConversion(unittest.TestCase):
     def setUp(self):
         self.shortAxisApexImage = loadImage('shortAxisApex.png')
         self.verticalLinesImage = loadImage('verticalLines.png')
-        # self.horizontalLinesImage = loadImage('horizontalLines.png')
-        # self.checkerboardImage = loadImage('checkerboard.png')
 
         self.shortAxisApexPolarImage = loadImage('shortAxisApexPolarImage.png')
         self.shortAxisApexPolarImage_centerMiddle = loadImage('shortAxisApexPolarImage_centerMiddle.png')
@@ -440,8 +436,6 @@ class TestPointConversion(unittest.TestCase):
     def setUp(self):
         self.shortAxisApexImage = loadImage('shortAxisApex.png')
         self.verticalLinesImage = loadImage('verticalLines.png')
-        # self.horizontalLinesImage = loadImage('horizontalLines.png')
-        # self.checkerboardImage = loadImage('checkerboard.png')
 
         self.shortAxisApexPolarImage = loadImage('shortAxisApexPolarImage.png')
         self.shortAxisApexPolarImage_centerMiddle = loadImage('shortAxisApexPolarImage_centerMiddle.png')