From 8d870f1b2c6f6a93a147a7da3a45f79b2dde5bb3 Mon Sep 17 00:00:00 2001
From: Alex Ruddick <a.ruddick@numat-tech.com>
Date: Tue, 15 Aug 2023 08:04:23 -0500
Subject: [PATCH] Use isinstance()

---
 alicat/util.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/alicat/util.py b/alicat/util.py
index 340428f..f533d79 100644
--- a/alicat/util.py
+++ b/alicat/util.py
@@ -195,7 +195,7 @@ def __init__(self, address: str, baudrate: int=19200, timeout: float=.15,
         """Initialize serial port."""
         super().__init__(timeout)
         self.address = address
-        assert type(self.address) == str
+        assert isinstance(self.address, str)
         self.serial_details = {'baudrate': baudrate,
                                'bytesize': bytesize,
                                'stopbits': stopbits,