fix many implicit ifcopenshell.guid imports

a bit related to 10d30b0de

src/ifcopenshell-python/test/api/geometry/test_edit_object_placement.py

@@ -20,6 +20,7 @@ import numpy
 import pytest
 import test.bootstrap
 import ifcopenshell.api
+import ifcopenshell.guid
 import ifcopenshell.util.placement
 
 

src/ifcopenshell-python/test/api/owner/test_remove_organisation.py

@@ -18,6 +18,7 @@
 
 import test.bootstrap
 import ifcopenshell.api
+import ifcopenshell.guid
 
 
 class TestRemoveOrganisation(test.bootstrap.IFC4):

src/ifcopenshell-python/test/api/owner/test_remove_person.py

@@ -18,6 +18,7 @@
 
 import test.bootstrap
 import ifcopenshell.api
+import ifcopenshell.guid
 
 
 class TestRemovePerson(test.bootstrap.IFC4):

src/ifcopenshell-python/test/api/owner/test_remove_person_and_organisation.py

@@ -18,6 +18,7 @@
 
 import test.bootstrap
 import ifcopenshell.api
+import ifcopenshell.guid
 
 
 class TestRemovePersonAndOrganisation(test.bootstrap.IFC4):

src/ifcopenshell-python/test/api/pset/test_edit_pset.py

@@ -19,6 +19,7 @@
 import operator
 import test.bootstrap
 import ifcopenshell.api
+import ifcopenshell.guid
 
 
 class TestEditPset(test.bootstrap.IFC4):

src/ifcopenshell-python/test/api/root/test_remove_product.py

@@ -18,6 +18,7 @@
 
 import test.bootstrap
 import ifcopenshell.api
+import ifcopenshell.guid
 
 
 class TestRemoveProduct(test.bootstrap.IFC4):