Merge branch 'master' into dev

Author: leewujung

.pre-commit-config.yaml

@@ -10,7 +10,7 @@ exclude: |
   )
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v3.4.0
+    rev: v4.0.1
     hooks:
       - id: trailing-whitespace
       - id: end-of-file-fixer
@@ -21,16 +21,16 @@ repos:
         args: ["--autofix", "--indent=2", "--no-sort-keys"]
 
   - repo: https://github.com/psf/black
-    rev: 20.8b1
+    rev: 21.9b0
     hooks:
       - id: black
 
-  - repo: https://gitlab.com/pycqa/flake8
-    rev: 3.8.3
+  - repo: https://github.com/PyCQA/flake8
+    rev: 3.9.2
     hooks:
       - id: flake8
 
   - repo: https://github.com/PyCQA/isort
-    rev: 5.8.0
+    rev: 5.9.3
     hooks:
       - id: isort

echopype/utils/io.py

@@ -62,7 +62,7 @@ def get_file_format(file):
 
 
 def _get_suffix(filepath: Union[str, Path, FSMap]) -> str:
-    """ Check if file type is supported. """
+    """Check if file type is supported."""
     # TODO: handle multiple files through the same set of checks for combining files
     if isinstance(filepath, FSMap):
         suffix = Path(filepath.root).suffix