Fixed copy/paste typos.

tox.ini

@@ -54,13 +54,13 @@ commands = {toxinidir}/extra/release/removepyc.sh {toxinidir}
 [testenv:pypy3]
 basepython = pypy3
 deps = -r{toxinidir}/requirements/default.txt
--r{toxinidir}/requirements/test.txt
--r{toxinidir}/requirements/test-ci.txt
--r{toxinidir}/requirements/dev.txt
+       -r{toxinidir}/requirements/test.txt
+       -r{toxinidir}/requirements/test-ci.txt
+       -r{toxinidir}/requirements/dev.txt
 setenv = C_DEBUG_TEST = 1
 commands = {toxinidir}/extra/release/removepyc.sh {toxinidir}
-pip install -U -r{toxinidir}/requirements/dev.txt
-nosetests -xsv --with-coverage --cover-inclusive --cover-erase []         
+           pip install -U -r{toxinidir}/requirements/dev.txt
+           nosetests -xsv --with-coverage --cover-inclusive --cover-erase []         
 
 [testenv:docs]
 deps = -r{toxinidir}/requirements/docs.txt