From 3516cda40c8fc89712807a074d033eeeaf131b64 Mon Sep 17 00:00:00 2001
From: Victor Lin <vlin@fredhutch.org>
Date: Wed, 15 Apr 2026 13:41:04 -0700
Subject: [PATCH 1/2] Add custom repr to LaxVersion

This is more robust than relying on repr from the base class which may
change across versions.
---
 nextstrain/cli/util.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/nextstrain/cli/util.py b/nextstrain/cli/util.py
index 331bb1bf..eab538c7 100644
--- a/nextstrain/cli/util.py
+++ b/nextstrain/cli/util.py
@@ -891,6 +891,9 @@ def __init__(self, version: str, *, compliant: bool, original: str = None):
         self.compliant = compliant
         self.original = original if original is not None else version
 
+    def __repr__(self) -> str:
+        return f"<Version({str(self)!r})>"
+
 
 T = TypeVar("T")
 

From 12220302d55648d40b667c808e74e8a811229886 Mon Sep 17 00:00:00 2001
From: Victor Lin <vlin@fredhutch.org>
Date: Wed, 15 Apr 2026 13:42:54 -0700
Subject: [PATCH 2/2] Show custom class name in repr

To distinguish the custom class from its base class.
---
 nextstrain/cli/util.py | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/nextstrain/cli/util.py b/nextstrain/cli/util.py
index eab538c7..5b196ab3 100644
--- a/nextstrain/cli/util.py
+++ b/nextstrain/cli/util.py
@@ -821,15 +821,15 @@ def parse_version_lax(version: str) -> 'LaxVersion':
     ``0.dev0`` so it compares lowest against other public version identifiers.
 
     >>> parse_version_lax("1.2.3")
-    <Version('1.2.3')>
+    <LaxVersion('1.2.3')>
     >>> parse_version_lax("1.2.3-nope")
-    <Version('0.dev0+1.2.3.nope')>
+    <LaxVersion('0.dev0+1.2.3.nope')>
     >>> parse_version_lax("20221019T172207Z")
-    <Version('0.dev0+20221019t172207z')>
+    <LaxVersion('0.dev0+20221019t172207z')>
     >>> parse_version_lax("@invalid+@")
-    <Version('0.dev0+invalid')>
+    <LaxVersion('0.dev0+invalid')>
     >>> parse_version_lax("not@@ok")
-    <Version('0.dev0+not.ok')>
+    <LaxVersion('0.dev0+not.ok')>
     >>> parse_version_lax("20221019T172207Z") < parse_version_lax("20230525T143814Z")
     True
     """
@@ -892,7 +892,7 @@ def __init__(self, version: str, *, compliant: bool, original: str = None):
         self.original = original if original is not None else version
 
     def __repr__(self) -> str:
-        return f"<Version({str(self)!r})>"
+        return f"<LaxVersion({str(self)!r})>"
 
 
 T = TypeVar("T")