fix flake8 E712 (comparison-to-bool)

tests/core/views/test_api.py

@@ -127,7 +127,7 @@ async def test_check_payment_without_key(client, invoice):
     # check the payment status
     response = await client.get(f"/api/v1/payments/{invoice['payment_hash']}")
     assert response.status_code < 300
-    assert response.json()["paid"] == True
+    assert response.json()["paid"] is True
     assert invoice
     # not key, that's why no "details"
     assert "details" not in response.json()
@@ -145,7 +145,7 @@ async def test_check_payment_with_key(client, invoice, inkey_headers_from):
         f"/api/v1/payments/{invoice['payment_hash']}", headers=inkey_headers_from
     )
     assert response.status_code < 300
-    assert response.json()["paid"] == True
+    assert response.json()["paid"] is True
     assert invoice
     # with key, that's why with "details"
     assert "details" in response.json()
@@ -205,7 +205,7 @@ async def test_api_payment_without_key(invoice):
     # check the payment status
     response = await api_payment(invoice["payment_hash"])
     assert type(response) == dict
-    assert response["paid"] == True
+    assert response["paid"] is True
     # no key, that's why no "details"
     assert "details" not in response
 
@@ -218,7 +218,7 @@ async def test_api_payment_with_key(invoice, inkey_headers_from):
         invoice["payment_hash"], inkey_headers_from["X-Api-Key"]
     )
     assert type(response) == dict
-    assert response["paid"] == True
+    assert response["paid"] is True
     assert "details" in response