Update to use two newlines after module docstrings (#11)

Author: pedantic-curmudgeon

.devcontainer/update_content.py

@@ -1,5 +1,6 @@
 """Dev Container Python environment update content setup script."""
 
+
 from pathlib import Path
 from subprocess import run
 

tests/run_pytest.py

@@ -1,5 +1,6 @@
 """Run pytest."""
 
+
 import sys
 from pathlib import Path
 from subprocess import run