misc: Prevent isort from sorting __init__.py

Author: JDBetteridge

pyproject.toml

@@ -83,6 +83,8 @@ line_length = 90
 known_first_party = ["devito", "examples"]
 multi_line_output = "VERTICAL_GRID_GROUPED"
 force_alphabetical_sort_within_sections = true
+# We should really do some work to eliminate this (circular imports):
+skip = ["__init__.py"]
 
 [tool.typos]
 # For identifiers (variables, functions, classes and the like):