From 989abb066a31e03377ff160ead384cc78182e128 Mon Sep 17 00:00:00 2001
From: eliska-n <eliska.novotna@teskalabs.com>
Date: Fri, 25 Aug 2023 11:28:49 +0200
Subject: [PATCH] tags can be None by accident

---
 asab/metrics/influxdb.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/asab/metrics/influxdb.py b/asab/metrics/influxdb.py
index 958b27f2c..c7f4c23e9 100644
--- a/asab/metrics/influxdb.py
+++ b/asab/metrics/influxdb.py
@@ -220,6 +220,8 @@ def escape_tags(tags: dict):
 	"""
 	clean: dict = {}
 	for k, v in tags.items():
+		if v is None:
+			v = "unknown"
 		clean[k.replace(" ", "\\ ").replace(",", "\\,").replace("=", "\\=")] = v.replace(" ", "\\ ").replace(",", "\\,").replace("=", "\\=")
 	return clean