Python: Add FN for py/unused-import

Author: RasmusWL

python/ql/test/query-tests/Imports/unused/UnusedImport.expected

@@ -1,3 +1,4 @@
+| import_structure_2.py:6:1:6:23 | Import | Import of 'bar' is not used. |
 | imports_test.py:2:1:2:23 | Import | Import of 'module2' is not used. |
 | imports_test.py:6:1:6:12 | Import | Import of 'cycle' is not used. |
 | imports_test.py:10:1:10:22 | Import | Import of 'top_level_cycle' is not used. |

python/ql/test/query-tests/Imports/unused/import_structure_1.py

@@ -0,0 +1,8 @@
+# there should be no difference whether you import 2 things on 1 line, or use 2
+# lines
+from typing import Optional
+
+from unknown import foo, bar
+
+
+var: Optional['foo'] = None

python/ql/test/query-tests/Imports/unused/import_structure_2.py

@@ -0,0 +1,8 @@
+# there should be no difference whether you import 2 things on 1 line, or use 2
+# lines
+from typing import Optional
+
+from unknown import foo
+from unknown import bar
+
+var: Optional['foo'] = None