fix the exception handling

we ♥ when exceptions create more exceptions

techrec/forge.py

@@ -120,9 +120,9 @@ async def create_mp3(
     for begin, start_cut, end_cut in get_files_and_intervals(start, end):
         try:
             file = await get_timefile(begin)
-            intervals.append((file, start_cut, end_cut))
         except Exception as e:
-            logger.error(f"Error while retrieving {file}: {e}")
+            logger.error("Error while retrieving file: %s", e)
+        intervals.append((file, start_cut, end_cut))
     if os.path.exists(outfile):
         raise OSError("file '%s' already exists" % outfile)
     for path, _s, _e in intervals: