Fix up README and code comment

README.md

@@ -15,6 +15,8 @@ Can also take an existing Loop Habit database (exported from the application),
 and add the nomie exported habits and checkmarks to it.
 Simply put the exported Loop database in the same directory and call it `output.db`, 
 it will not (should not™️) overwrite anything.
+If there are any duplicated habits however, 
+it will add duplications of the existing repetitions into the database.
 
 Invoked like: `python run.py nomie-export.json`.
 Note, however, that -- until a packaged version is released -- you will need to have some packages in your environment.

src/habitmove/repetitions.py

@@ -94,7 +94,8 @@ def add_to_database(
                     (sql_id, repetition.timestamp, repetition.value),
                 )
             except sqlite3.IntegrityError:
-                # TODO better error handling
+                # FIXME better error handling
+                # TODO think about adapting this to allow importing into existing databases
                 print(
                     f"{sql_id}, {habit.name}: timestamp {datetime.fromtimestamp(repetition.timestamp/1000)} not unique, moving timestamp slightly."
                 )

tests/test_habits.py

@@ -37,8 +37,8 @@ def trackerlist():
 
 
 def test_simple_habit_transform_from_tracker(trackerlist):
-    sut = trackerlist[0]
-    assert habits.trackers_to_habits([sut]) == [
+    result = habits.trackers_to_habits([trackerlist[0]])
+    assert result == [
         loopdata.Habit(
             name="🧪 Testing",
             description="testtrack",
@@ -51,8 +51,8 @@ def test_simple_habit_transform_from_tracker(trackerlist):
 
 
 def test_range_habit_transform_from_tracker(trackerlist):
-    sut = trackerlist[1]
-    assert habits.trackers_to_habits([sut]) == [
+    result = habits.trackers_to_habits([trackerlist[1]])
+    assert result == [
         loopdata.Habit(
             name="🧪 Testing",
             description="testtrack",