Drop usage of no-longer used match var in lessons importer

CHANGELOG.rst

@@ -9,6 +9,11 @@ and this project adheres to `Semantic Versioning`_.
 Unreleased
 ----------
 
+Fixed
+~~~~~
+
+* Matching for groups while importing lessons was broken in some cases.
+
 `2.2`_ - 2022-04-10
 -------------------
 

aleksis/apps/untis/util/mysql/importers/lessons.py

@@ -139,7 +139,6 @@ def import_lessons(
                     if compare_m2m(course_classes, found_group.parent_groups.all()) and compare_m2m(
                         teachers, found_group.owners.all()
                     ):
-                        match = True
                         course_group = found_group
                         logger.info(
                             "    Course group found by searching by parent groups, "
@@ -147,7 +146,7 @@ def import_lessons(
                         )
 
                 if (
-                    not match
+                    not course_group
                     and get_site_preferences()["untis_mysql__course_groups_fuzzy_matching"]
                 ):
                     if qs.count() != 1:
@@ -158,16 +157,14 @@ def import_lessons(
                     else:
                         for found_group in qs:
                             if compare_m2m(teachers, found_group.owners.all()):
-                                if match:
+                                if course_group:
                                     logger.warning(
                                         "    More than one course group found "
                                         "by searching by parent groups, "
                                         "teachers (owners) and subject (fuzzy matching mode)"
                                     )
-                                    match = False
                                     course_group = None
                                 else:
-                                    match = True
                                     course_group = found_group
                                     logger.info(
                                         "    Course group found by searching by parent groups, "