Add blank lines between blocks in #memo2 rendering

CHANGELOG.md

@@ -3,6 +3,7 @@
 - jubeat analyser : Use "EXT" instead of "?" as the fallback difficulty name when loading
 ## Fixed
 - memon : Fix TypeError that would occur when trying to convert to memon
+- #memo2 : Fix #memo2 rendering missing blank lines between blocks, while technically still valid files, this made #memo2 files rendered by jubeatools absolutely fugly and very NOT human friendly
 
 # v0.1.2
 ## Fixed

jubeatools/formats/jubeat_analyser/memo2/dump.py

@@ -328,9 +328,12 @@ def _dump_memo2_chart(
 
     file.write(dump_command("memo2") + "\n")
 
+    file.write("\n")
+
     # Notes
-    for _, section in sections.items():
+    file.write(
-        file.write(section.render(circle_free) + "\n")
+        "\n\n".join(section.render(circle_free) for _, section in sections.items())
+    )
 
     return file
 

jubeatools/formats/memon/__init__.py

@@ -274,9 +274,7 @@ def _raise_if_unfit_for_v0(song: Song, version: str) -> None:
         raise ValueError("The song has no timing information")
 
     chart_timings = [
-        chart.timing
+        chart.timing for chart in song.charts.values() if chart.timing is not None
-        for chart in song.charts.values()
-        if chart.timing is not None
     ]
 
     if chart_timings: