update docs

gdsfactory/path.py

@@ -608,19 +608,28 @@ def straight(length: float = 10.0, npoints: int = 2) -> Path:
     return p
 
 
-def spiral_archimedean(inner_radius: float = 20, separation: float = 1, number_of_loops: float = 10,
-                       npoints: int = 1000) -> Path:
+def spiral_archimedean(
+    inner_radius: float, separation: float, number_of_loops: float, npoints: int
+) -> Path:
     """
     Returns an Archimedean spiral
 
-    :param inner_radius: Inner radius of the spiral
-    :param separation: Separation between the loops
-    :param number_of_loops: Number of loops
-    :param npoints: Number of Points
-    :return: Path of an archimedean spiral
+    Args:
+        inner_radius: Inner radius of the spiral
+        separation: Separation between the loops
+        number_of_loops: Number of loops
+        npoints: Number of Points
+
+    Returns:
+        Path of an archimedean spiral
     """
-    return Path([(separation / np.pi * theta + inner_radius) * np.array((np.sin(theta), np.cos(theta)))
-                 for theta in np.linspace(0, number_of_loops * 2 * np.pi, npoints)])
+    return Path(
+        [
+            (separation / np.pi * theta + inner_radius)
+            * np.array((np.sin(theta), np.cos(theta)))
+            for theta in np.linspace(0, number_of_loops * 2 * np.pi, npoints)
+        ]
+    )
 
 
 def smooth(