Continue work on plug-in and tests

src/ifcopenshell-python/test/test_entity_instance.py

@@ -16,10 +16,10 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
-
+import ifcopenshell
+import pytest
 import test.bootstrap
 
-
 class TestGetInfo2(test.bootstrap.IFC4):
     def test_instance_attribute(self):
         brep = self.file.create_entity("IfcFacetedBrep")