Fix circle and travis to just check PMG.

.circleci/config.yml

@@ -52,7 +52,7 @@ jobs:
             echo "--- Done ---"
             pytest --ignore=pymatgen/analysis/tests/test_pourbaix_diagram.py --cov=pymatgen --cov-report html:coverage_reports pymatgen
             # Docstyle checks are enforced for files that have been modified since the v2019.9.12 tagged release.
-            export MODIFIED_FILES=`git diff --diff-filter=ACMRTUXB --name-only HEAD v2019.9.12 | grep -E '\.(py)' | sed '/test_/d' | sed 'post_processors_abc/d' | tr '\n' ' '`
+            export MODIFIED_FILES=`git diff --diff-filter=ACMRTUXB --name-only HEAD v2019.9.12 | grep -E 'pymatgen.*\.(py)$' | sed '/test_/d' | sed 'post_processors_abc/d' | tr '\n' ' '`
             echo "pydocstyle checks for $MODIFIED_FILES..."
             pydocstyle --count pymatgen/core $MODIFIED_FILES
             echo "--- Done ---"

.travis.yml

@@ -38,7 +38,7 @@ script:
   - echo "It is highly recommended that you use the pre-commit hook provided in pymatgen (simply copy pre-commit to .git/hooks) to check before pushing your code."
   - travis_wait 28800 pycodestyle pymatgen && mypy pymatgen && pytest $EXCLUDE_TESTS pymatgen
   # Docstyle checks are enforced for files that have been modified since the v2019.9.12 tagged release.
-  - export MODIFIED_FILES=`git diff --diff-filter=ACMRTUXB --name-only HEAD v2019.9.12 | grep -E '\.(py)' | sed '/test_/d' | sed 'post_processors_abc/d' | tr '\n' ' '`
+  - export MODIFIED_FILES=`git diff --diff-filter=ACMRTUXB --name-only HEAD v2019.9.12 | grep -E 'pymatgen.*\.(py)$' | sed '/test_/d' | sed 'post_processors_abc/d' | tr '\n' ' '`
   - pydocstyle --count pymatgen/core $MODIFIED_FILES
 
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