From b9b86fd4d1f2029b704e26de300e74f3781ce1b9 Mon Sep 17 00:00:00 2001
From: Aaron Pham <29749331+aarnphm@users.noreply.github.com>
Date: Wed, 7 Dec 2022 20:44:32 -0800
Subject: [PATCH] fix: add upper bound for packaging version (#3331)

`packaging` 22.0 removes `LegacyVersion`, which `pip-requirements-parser` is currently using
---
 pyproject.toml                              | 2 +-
 src/bentoml/_internal/bento/build_config.py | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/pyproject.toml b/pyproject.toml
index 77c0036e611..2ff256785e9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -47,7 +47,7 @@ dependencies = [
   "opentelemetry-instrumentation-asgi==0.35b0",
   "opentelemetry-semantic-conventions==0.35b0",
   "opentelemetry-util-http==0.35b0",
-  "packaging>=20.0",
+  "packaging>=20.0,<22",
   "pathspec",
   "pip-tools>=6.6.2",
   "pip-requirements-parser>=31.2.0",
diff --git a/src/bentoml/_internal/bento/build_config.py b/src/bentoml/_internal/bento/build_config.py
index 01db304ece3..e057c4b2db4 100644
--- a/src/bentoml/_internal/bento/build_config.py
+++ b/src/bentoml/_internal/bento/build_config.py
@@ -16,7 +16,6 @@
 import psutil
 import fs.copy
 from pathspec import PathSpec
-from pip_requirements_parser import RequirementsFile
 
 from ..utils import bentoml_cattr
 from ..utils import resolve_user_filepath
@@ -598,6 +597,8 @@ def write_to_bento(self, bento_fs: FS, build_ctx: str) -> None:
             f.write(install_sh)
 
         if self.requirements_txt is not None:
+            from pip_requirements_parser import RequirementsFile
+
             requirements_txt = RequirementsFile.from_file(
                 resolve_user_filepath(self.requirements_txt, build_ctx),
                 include_nested=True,