From 47c7fa15b0c9de088b61e0bedf54e4c13b9fec9f Mon Sep 17 00:00:00 2001
From: rboone <rboone@sofics.com>
Date: Tue, 26 Jul 2022 17:15:31 +0200
Subject: [PATCH] Initial amount 0 was problematic, needed to explicitly say
 "not None"

---
 compound_interest.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compound_interest.py b/compound_interest.py
index e5a7cc4..48bced2 100644
--- a/compound_interest.py
+++ b/compound_interest.py
@@ -28,7 +28,7 @@ def __init__(self, parent, annual_return, months, monthly_deposit=0, initial_amo
             for m in range(months):
                 temp_result = (temp_result + monthly_deposit) * monthly_return
             self.result = int(temp_result)
-        elif initial_amount:  # First CompoundResult in a chain
+        elif initial_amount is not None:  # First CompoundResult in a chain
             self.result = initial_amount
         else:
             raise Exception("CompoundResult constructor without a parent and no initial_amount was given!")