Cleanup

generator/solo/profiles.py

@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 import dataclasses
+import functools
 from fractions import Fraction as F
 
 import generator.fretboard
@@ -20,6 +21,7 @@ class Instrument:
     tuning = [p for s, p in generator.fretboard.STANDARD_TUNING if s in self.strings]
     return min(tuning) + 1, max(tuning) + 12
 
+  @functools.lru_cache(maxsize=4096)
   def permits(self, number):
     return any(p.string_number in self.strings for p in generator.fretboard.single_positions_for_pitch(F(number)))