Refactor code for readability and conciseness

Author: joowani

.github/workflows/build.yaml

@@ -35,7 +35,7 @@ jobs:
       - name: Run mypy
         run: mypy binarytree
       - name: Run pytest
-        run: py.test --cov=./ --cov-report=xml
+        run: py.test --cov=binarytree --cov-report=xml
       - name: Run Sphinx doctest
         run: python -m sphinx -b doctest docs docs/_build
       - name: Run Sphinx HTML

.gitignore

@@ -93,3 +93,6 @@ ENV/
 
 # setuptools-scm
 binarytree/version.py
+
+# Jupyter Notebook
+*.ipynb

.pre-commit-config.yaml

@@ -24,7 +24,7 @@ repos:
     rev: v0.790
     hooks:
       - id: mypy
-        args: [ binarytree ]
+        files: ^binarytree/
   - repo: https://gitlab.com/pycqa/flake8
     rev: 3.8.4
     hooks: