data_structures/trees/splay_tree_test.py:29:9: PT009 Use a regular `assert` instead of unittest-style `assertEqual`

data_structures/trees/splay_tree_test.py:28:9: PT009 Use a regular `assert` instead of unittest-style `assertEqual`

data_structures/trees/splay_tree_test.py:27:9: PT009 Use a regular `assert` instead of unittest-style `assertIsNotNone`

data_structures/trees/splay_tree_test.py:14:13: PT009 Use a regular `assert` instead of unittest-style `assertEqual`

data_structures/trees/splay_tree_test.py:3:1: I001 Import block is un-sorted or un-formatted

data_structures/trees/splay_tree_test.py:1:1: INP001 File `data_structures/trees/splay_tree_test.py` is part of an implicit namespace package. Add an `__init__.py`.

data_structures/trees/splay_tree.py:73:89: E501 Line too long (91 > 88)

data_structures/trees/splay_tree.py:72:89: E501 Line too long (90 > 88)

data_structures/trees/splay_tree.py:53:89: E501 Line too long (93 > 88)