Update .coveragerc

Update requirements.txt

Revert .coveragerc

Update pytest command

Revert coverage

.coveragerc

@@ -1,6 +1,6 @@
 [run]
 branch = True
 source = camelot
-include = */camelot/*
-omit = 
+include = */camelot/*	
+omit =
     */setup.py

.travis.yml

@@ -1,12 +1,12 @@
-language: python
-python:
-  - "2.7"
-  - "3.6"
-before_install:
-  - sudo apt-get install python-tk python3-tk ghostscript
-install:
-  - pip install ".[dev]"
-script:
-  - pytest
-after_success:
-  - codecov
+language: python
+python:
+  - "2.7"
+  - "3.6"
+before_install:
+  - sudo apt-get install python-tk python3-tk ghostscript
+install:
+  - pip install ".[dev]"
+script:
+  - pytest
+after_success:
+  - codecov

requirements-dev.txt

@@ -1,4 +1,4 @@
 codecov==2.0.15
 pytest==3.8.0
 pytest-runner==4.2
-Sphinx==1.7.9
+Sphinx==1.7.9