Always require Pygments

This used to be an optional dependency, but recent changes made it so
you cannot even import restview.restviewhttp if you don't have pygments:
#9

.travis.yml

@@ -6,7 +6,7 @@ python:
     - 3.3
     - pypy
 install:
-    - pip install pygments mock coverage coveralls --use-mirrors
+    - pip install mock coverage coveralls --use-mirrors
     - pip install . --use-mirrors
 script:
     - coverage run --source=src/restview setup.py test -q

Makefile

@@ -21,7 +21,7 @@ all:
 test:
 	$(PYTHON) setup.py test
 
-.PHONY: check 
+.PHONY: check
 check:
 	detox
 

setup.py

@@ -50,8 +50,8 @@ def get_version(filename='src/restview/restviewhttp.py'):
     packages=['restview'],
     package_dir={'': 'src'},
     include_package_data=True,
-    install_requires=['docutils'],
-    extras_require={'syntax': ['pygments']},
+    install_requires=['docutils', 'pygments'],
+    extras_require={'syntax': []},
     test_suite='restview.tests.test_suite',
     tests_require=['mock'],
     zip_safe=False,

src/restview/restviewhttp.py

@@ -14,7 +14,7 @@
     restviewhttp --help
 
 Needs docutils and a web browser. Will syntax-highlight code or doctest blocks
-if you have pygments installed.
+(needs pygments).
 """
 from __future__ import print_function
 
@@ -55,12 +55,8 @@
 
 import docutils.core
 import docutils.writers.html4css1
-
-try:
-    import pygments
-    from pygments import lexers, formatters
-except ImportError:
-    pygments = None
+import pygments
+from pygments import lexers, formatters
 
 
 try:

tox.ini

@@ -4,8 +4,6 @@ envlist =
 
 [testenv]
 deps =
-    docutils
-    pygments
     mock
 commands =
     python -Wall setup.py test -q
@@ -16,5 +14,5 @@ deps =
     {[testenv]deps}
     coverage
 commands =
-    coverage run setup.py test -q
-    coverage report --include='src/restview/*'
+    coverage run --source=src/restview setup.py test -q
+    coverage report