diff --git a/2e11f312d0072aa14ff744eafbfe9b32f09f190c.patch b/2e11f312d0072aa14ff744eafbfe9b32f09f190c.patch
new file mode 100644
index 0000000000000000000000000000000000000000..1224797a9e6be5d875332094cd549a3f4da35487
--- /dev/null
+++ b/2e11f312d0072aa14ff744eafbfe9b32f09f190c.patch
@@ -0,0 +1,74 @@
+diff --git a/src/pip/_internal/index/package_finder.py b/src/pip/_internal/index/package_finder.py
+index b361e194d7..9f39631dde 100644
+--- a/src/pip/_internal/index/package_finder.py
++++ b/src/pip/_internal/index/package_finder.py
+@@ -863,6 +863,7 @@ def make_candidate_evaluator(
+             hashes=hashes,
+         )
+ 
++    @lru_cache(maxsize=None)
+     def find_best_candidate(
+         self,
+         project_name,       # type: str
+diff --git a/src/pip/_internal/utils/hashes.py b/src/pip/_internal/utils/hashes.py
+index b306dafe7d..4d90f5bfda 100644
+--- a/src/pip/_internal/utils/hashes.py
++++ b/src/pip/_internal/utils/hashes.py
+@@ -39,7 +39,12 @@ def __init__(self, hashes=None):
+         :param hashes: A dict of algorithm names pointing to lists of allowed
+             hex digests
+         """
+-        self._allowed = {} if hashes is None else hashes
++        allowed = {}
++        if hashes is not None:
++            for alg, keys in hashes.items():
++                # Make sure values are always sorted (to ease equality checks)
++                allowed[alg] = sorted(keys)
++        self._allowed = allowed
+ 
+     def __and__(self, other):
+         # type: (Hashes) -> Hashes
+@@ -128,6 +133,22 @@ def __bool__(self):
+         # type: () -> bool
+         return self.__nonzero__()
+ 
++    def __eq__(self, other):
++        # type: (object) -> bool
++        if not isinstance(other, Hashes):
++            return NotImplemented
++        return self._allowed == other._allowed
++
++    def __hash__(self):
++        # type: () -> int
++        return hash(
++            ",".join(sorted(
++                ":".join((alg, digest))
++                for alg, digest_list in self._allowed.items()
++                for digest in digest_list
++            ))
++        )
++
+ 
+ class MissingHashes(Hashes):
+     """A workalike for Hashes used when we're missing a hash for a requirement
+diff --git a/tests/unit/test_utils.py b/tests/unit/test_utils.py
+index 14b4d74820..1996b35cb3 100644
+--- a/tests/unit/test_utils.py
++++ b/tests/unit/test_utils.py
+@@ -541,6 +541,16 @@ def test_non_zero(self):
+         assert not Hashes()
+         assert not Hashes({})
+ 
++    def test_equality(self):
++        assert Hashes() == Hashes()
++        assert Hashes({'sha256': ['abcd']}) == Hashes({'sha256': ['abcd']})
++        assert Hashes({'sha256': ['ab', 'cd']}) == Hashes({'sha256': ['cd', 'ab']})
++
++    def test_hash(self):
++        cache = {}
++        cache[Hashes({'sha256': ['ab', 'cd']})] = 42
++        assert cache[Hashes({'sha256': ['ab', 'cd']})] == 42
++
+ 
+ class TestEncoding(object):
+     """Tests for pip._internal.utils.encoding"""
diff --git a/python-pip.spec b/python-pip.spec
index 05f810a986da3034c3f240b38e74be80b2c67322..aa05cdfab3a20a418130dca86cd1496eff887949 100644
--- a/python-pip.spec
+++ b/python-pip.spec
@@ -7,7 +7,7 @@ pip is the package installer for Python. You can use pip to install packages fro
 %global bashcompdir %(b=$(pkg-config --variable=completionsdir bash-completion 2>/dev/null); echo ${b:-%{_sysconfdir}/bash_completion.d})
 Name:           python-%{srcname}
 Version:        20.2.2
-Release:        2
+Release:        3
 Summary:        A tool for installing and managing Python packages
 License:        MIT and Python and ASL 2.0 and BSD and ISC and LGPLv2 and MPLv2.0 and (ASL 2.0 or BSD)
 URL:            http://www.pip-installer.org
@@ -17,6 +17,7 @@ Patch1:         allow-stripping-given-prefix-from-wheel-RECORD-files.patch
 Patch2:         emit-a-warning-when-running-with-root-privileges.patch
 Patch3:         remove-existing-dist-only-if-path-conflicts.patch
 Patch6000:      dummy-certifi.patch
+Patch6001: 2e11f312d0072aa14ff744eafbfe9b32f09f190c.patch
 Source10: 	pip-allow-older-versions.patch
 
 %description %{_description}
@@ -140,6 +141,9 @@ install -p dist/%{python_wheelname} -t %{buildroot}%{python_wheeldir}
 %{python_wheeldir}/%{python_wheelname}
 
 %changelog
+* 20201101023007638760 patch-tracking 20.2.2-3
+- append patch file of upstream repository from <2e11f312d0072aa14ff744eafbfe9b32f09f190c> to <2e11f312d0072aa14ff744eafbfe9b32f09f190c>
+
 * Tue Sep 1 2020 wenzhanli<wenzhanli2@huawei.com> - 20.2.2-2
 - add pip-allow-older-versions.patch
 
@@ -183,4 +187,4 @@ install -p dist/%{python_wheelname} -t %{buildroot}%{python_wheeldir}
 - DESC:  Synchronize a patch
 
 * Mon Sep 23 2019 openEuler Buildteam <buildteam@openeuler.org> - 18.0-6
-- Package init
+- Package init
\ No newline at end of file