chore: auto-fix (ruff)

Author: amogorkon

src/fuzzylogic/truth.py

@@ -1,33 +1,38 @@
-
 """
 Functions that transform a given membership value to a truth value.
 
-How this can be useful? Beats me. Found it somewhere on the internet, 
+How this can be useful? Beats me. Found it somewhere on the internet,
 never needed it.
 """
+
 from math import sqrt
 
 
 def true(m):
     """The membership-value is its own truth-value."""
     return m
 
+
 def false(m):
     """The opposite of TRUE."""
     return 1 - m
 
+
 def fairly_false(m):
     """Part of a circle in quadrant I."""
-    return sqrt(1 - m ** 2)
+    return sqrt(1 - m**2)
+
 
 def fairly_true(m):
     """Part of a circle in quadrant II."""
     return sqrt(1 - (1 - m) ** 2)
 
+
 def very_false(m):
     """Part of a circle in quadrant III."""
     return -sqrt(1 - (1 - m) ** 2)
 
+
 def very_true(m):
     """Part of a circle in quadrant IV."""
-    return -sqrt(1 - m ** 2)
+    return -sqrt(1 - m**2)