Fixed format

src/pyswip/examples/sudoku.py

@@ -38,7 +38,6 @@
 
 
 class Matrix:
-
     def __init__(self, matrix: List[List[int]]) -> None:
         if not matrix:
             raise ValueError("matrix must be given")
@@ -56,7 +55,9 @@ def from_text(cls, text: str) -> "Matrix":
         for i, line in enumerate(lines):
             cols = line.split()
             if len(cols) != dimension:
-                raise ValueError(f"All rows must have {dimension} columns, line {i+1} has {len(cols)}")
+                raise ValueError(
+                    f"All rows must have {dimension} columns, line {i+1} has {len(cols)}"
+                )
             rows.append([0 if x == "." else int(x) for x in cols])
         return cls(rows)
 
@@ -66,7 +67,9 @@ def _validate(cls, dimension: int, matrix: List[List[int]]):
             raise ValueError(f"Matrix must have {dimension} rows, it has {len(matrix)}")
         for i, row in enumerate(matrix):
             if len(row) != dimension:
-                raise ValueError(f"All rows must have {dimension} columns, row {i+1} has {len(row)}")
+                raise ValueError(
+                    f"All rows must have {dimension} columns, row {i+1} has {len(row)}"
+                )
 
     def __len__(self) -> int:
         return self._dimension
@@ -108,6 +111,7 @@ def solve(matrix: Matrix) -> Union[Matrix, Literal[False]]:
 
 def prolog_source() -> str:
     from pathlib import Path
+
     path = Path(__file__).parent / _SOURCE_PATH
     with open(path) as f:
         return f.read()

tests/examples/test_sudoku.py

@@ -4,7 +4,6 @@
 
 
 class MatrixTestCase(unittest.TestCase):
-
     FIXTURE = """
 . 6 . 1 . 4 . 5 .
 . . 8 3 . 5 6 . .

tests/test_examples.py

@@ -63,9 +63,11 @@ def example_path(path):
 def execfile(filepath, globals=None, locals=None):
     if globals is None:
         globals = {}
-    globals.update({
-        "__file__": filepath,
-        "__name__": "__main__",
-    })
-    with open(filepath, 'rb') as file:
-        exec(compile(file.read(), filepath, 'exec'), globals, locals)
+    globals.update(
+        {
+            "__file__": filepath,
+            "__name__": "__main__",
+        }
+    )
+    with open(filepath, "rb") as file:
+        exec(compile(file.read(), filepath, "exec"), globals, locals)