remove test files from coverage

Author: big-o

.coveragerc

@@ -16,3 +16,27 @@ addopts =
     --ignore doc/_build
     --ignore doc/_templates
     --no-cov-on-fail
+
+[coverage:run]
+branch = True
+source = skdag
+include = */skdag/*
+omit =
+    */tests/*
+    *_test.py
+    test_*.py
+    */setup.py
+
+[coverage:report]
+exclude_lines =
+    pragma: no cover
+    def __repr__
+    if self.debug:
+    if settings.DEBUG
+    raise AssertionError
+    raise NotImplementedError
+    if 0:
+    if __name__ == .__main__.:
+    if self.verbose:
+show_missing = True
+