Add missing string formatter to ZoneInfoNotFoundError (#129)

Previously there was a string interpolation sign (%s) but nothing was being added. This change adds tzenv to give a better error message.
regebro · Jun 2, 2022 · c2b71e9 · c2b71e9
1 parent 0b24ac3
commit c2b71e9
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diff --git a/CHANGES.txt b/CHANGES.txt
@@ -4,7 +4,7 @@ Changes
 4.3 (unreleased)
 ----------------
 
-- Nothing changed yet.
+- Improved the error message when the ZoneInfo cannot be found
 
 
 4.2 (2022-04-02)

diff --git a/tzlocal/utils.py b/tzlocal/utils.py
@@ -124,5 +124,5 @@ def _tz_from_env(tzenv=None):
         # Nope, it's something like "PST4DST" etc, we can't handle that.
         raise ZoneInfoNotFoundError(
             "tzlocal() does not support non-zoneinfo timezones like %s. \n"
-            "Please use a timezone in the form of Continent/City"
+            "Please use a timezone in the form of Continent/City" % tzenv
         ) from None