don't import from top-level

src/build123d/build_generic.py

@@ -48,14 +48,10 @@ from build123d.direct_api import (
     Solid,
     Axis,
 )
-from build123d import (
-    BuildLine,
-    BuildSketch,
-    BuildPart,
-    Builder,
-    LocationList,
-    WorkplaneList,
-)
+from build123d.build_line import BuildLine
+from build123d.build_sketch import BuildSketch
+from build123d.build_part import BuildPart
+from build123d.build_common import Builder, LocationList, WorkplaneList
 
 logging.getLogger("build123d").addHandler(logging.NullHandler())
 logger = logging.getLogger("build123d")

src/build123d/hull.py

@@ -2,7 +2,7 @@ from typing import List, Tuple, Union, Iterable, Set
 from math import pi, sin, cos, atan2, sqrt, inf, degrees
 from numpy import lexsort, argmin, argmax
 
-from build123d import Edge, Wire, Vector, Plane
+from build123d.direct_api import Edge, Wire, Vector, Plane
 
 """
 Convex hull for line segments and circular arcs based on

src/build123d/jupyter_tools.py

@@ -5,7 +5,7 @@ from IPython.display import Javascript
 
 from vtkmodules.vtkIOXML import vtkXMLPolyDataWriter
 
-from build123d import Shape
+from build123d.direct_api import Shape
 
 DEFAULT_COLOR = [1, 0.8, 0, 1]