Fix a recursion on imports, fixes #1677

test/examples/import-recursion/cadquery_simple/__init__.py

@@ -0,0 +1 @@
+from .cq import selectors

test/examples/import-recursion/cadquery_simple/cq.py

@@ -0,0 +1 @@
+from . import selectors

test/examples/import-recursion/cq_example.py

@@ -0,0 +1,3 @@
+import cadquery_simple as cq
+
+cq.

test/test_inference/test_imports.py

@@ -468,3 +468,9 @@ def test_relative_import_star(Script):
     script = Script(source, path='export.py')
 
     assert script.complete(3, len("furl.c"))
+
+
+def test_import_recursion(Script):
+    path = get_example_dir('import-recursion', "cq_example.py")
+    for c in Script(path=path).complete(3, 3):
+        c.docstring()