From 2e8dd08f5f4f9624facf4d38ea6b276cc8131f56 Mon Sep 17 00:00:00 2001
From: Scott Gasch <scott@gasch.org>
Date: Thu, 10 Feb 2022 14:52:14 -0800
Subject: More cleanup.

---
 type/rate.py | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'type/rate.py')

diff --git a/type/rate.py b/type/rate.py
index 64a4726..c365848 100644
--- a/type/rate.py
+++ b/type/rate.py
@@ -1,9 +1,13 @@
 #!/usr/bin/env python3
 
+"""A class to represent a rate of change."""
+
 from typing import Optional
 
 
 class Rate(object):
+    """A class to represent a rate of change."""
+
     def __init__(
         self,
         multiplier: Optional[float] = None,
@@ -28,9 +32,7 @@ class Rate(object):
             self.multiplier = 1.0 + percent_change / 100
             count += 1
         if count != 1:
-            raise Exception(
-                'Exactly one of percentage, percent_change or multiplier is required.'
-            )
+            raise Exception('Exactly one of percentage, percent_change or multiplier is required.')
 
     def apply_to(self, other):
         return self.__mul__(other)
-- 
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