--- /dev/null
+From 8cb9dbf19e2b76ab025efc11208bd50e09e8223e Mon Sep 17 00:00:00 2001
+From: Moyiz <8603313+moyiz@users.noreply.github.com>
+Date: Tue, 2 Nov 2021 21:42:53 +0200
+Subject: [PATCH] Revert pyparsing constraint (#482)
+
+Upstream-Status: Backport
+Signed-off-by: Alexander Kanavin <alex@linutronix.de>
+---
+ setup.py | 2 +-
+ tests/test_requirements.py | 4 +++-
+ 4 files changed, 6 insertions(+), 4 deletions(-)
+
+diff --git a/setup.py b/setup.py
+index c6a1caec..419aa284 100644
+--- a/setup.py
++++ b/setup.py
+@@ -48,7 +48,7 @@
+ author=about["__author__"],
+ author_email=about["__email__"],
+ python_requires=">=3.6",
+- install_requires=["pyparsing>=2.0.2,<3"], # Needed to avoid issue #91
++ install_requires=["pyparsing>=2.0.2"], # Needed to avoid issue #91
+ classifiers=[
+ "Development Status :: 5 - Production/Stable",
+ "Intended Audience :: Developers",
+diff --git a/tests/test_requirements.py b/tests/test_requirements.py
+index 8cc45687..f2c209c4 100644
+--- a/tests/test_requirements.py
++++ b/tests/test_requirements.py
+@@ -192,4 +192,6 @@ def test_sys_platform_linux_in(self):
+ def test_parseexception_error_msg(self):
+ with pytest.raises(InvalidRequirement) as e:
+ Requirement("toto 42")
+- assert "Expected stringEnd" in str(e.value)
++ assert "Expected stringEnd" in str(e.value) or (
++ "Expected string_end" in str(e.value) # pyparsing>=3.0.0
++ )
