From 90e247c5225f63f761eef2d4948b8ef4d09294ac Mon Sep 17 00:00:00 2001
From: harshajv7981 <87539405+harshajv7981@users.noreply.github.com>
Date: Mon, 26 Oct 2026 10:41:03 +0530
Subject: [PATCH] Fix Amount __sub__ and __eq__ referencing removed
 currency_type

Commit 48562de renamed the attribute to ccy_name but left these two
references behind, so subtracting or comparing Amounts raised
AttributeError.
---
 financepy/utils/amount.py    | 4 ++--
 tests/unit/test_FinAmount.py | 9 +++++++++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/financepy/utils/amount.py b/financepy/utils/amount.py
index d3afc0ee..42af7e81 100644
--- a/financepy/utils/amount.py
+++ b/financepy/utils/amount.py
@@ -64,7 +64,7 @@ def __sub__(self, other):
 
         return Amount(
             self.amount - other.amount,
-            self.currency_type,
+            self.ccy_name,
         )
 
     def __mul__(self, scalar):
@@ -97,7 +97,7 @@ def __eq__(self, other):
             return False
 
         return (
-            self.currency_type == other.currency_type
+            self.ccy_name == other.ccy_name
             and self.amount == other.amount
         )
 
diff --git a/tests/unit/test_FinAmount.py b/tests/unit/test_FinAmount.py
index b6ec0f92..102a8e37 100644
--- a/tests/unit/test_FinAmount.py
+++ b/tests/unit/test_FinAmount.py
@@ -9,3 +9,12 @@ def test_amount():
 
     amt = Amount(101000.232, "CAD")
     assert repr(amt) == "CAD 101,000.23"
+
+
+def test_amount_sub_and_eq():
+
+    diff = Amount(100.0, "CAD") - Amount(40.0, "CAD")
+    assert diff.amount == 60.0
+    assert diff.ccy_name == "CAD"
+    assert Amount(1.0, "CAD") == Amount(1.0, "CAD")
+    assert Amount(1.0, "CAD") != Amount(1.0, "USD")