fix test failures

cosmicexplorer · cosmicexplorer · commit 1d05011064ea · 2020-02-13T00:03:46.000-08:00
diff --git a/src/pip/_internal/index/collector.py b/src/pip/_internal/index/collector.py
@@ -8,7 +8,23 @@
 import mimetypes
 import os
 from collections import OrderedDict
-from functools import lru_cache
+
+try:
+    from functools import lru_cache
+except ImportError:
+    # Only works for single-argument functions.
+    def lru_cache(*args, **kwargs):
+        cache = {}
+        def wrapper(fn):
+            def wrapped(arg):
+                value = cache.get(arg, None)
+                if value is not None:
+                    return value
+                value = fn(arg)
+                cache[arg] = value
+                return value
+            return wrapped
+        return wrapper
 
 from pip._vendor import html5lib, requests
 from pip._vendor.distlib.compat import unescape
diff --git a/tests/unit/test_collector.py b/tests/unit/test_collector.py
@@ -290,12 +290,12 @@ def test_parse_links_caches_same_page():
     page_1 = HTMLPage(
         html_bytes,
         encoding=None,
-        url='https://example.com/simple/',
+        url='https://example.com/some-find-links-url/',
     )
     page_2 = HTMLPage(
         html_bytes,
         encoding=None,
-        url='https://example.com/simple/',
+        url='https://example.com/some-find-links-url/',
     )
 
     with mock.patch("pip._internal.index.collector.html5lib.parse") as mock_parse:

Original file line number	Diff line number	Diff line change
`@@ -290,12 +290,12 @@ def test_parse_links_caches_same_page():`
`290`	`290`	`page_1 = HTMLPage(`
`291`	`291`	`html_bytes,`
`292`	`292`	`encoding=None,`
`293`		`- url='https://example.com/simple/',`
	`293`	`+ url='https://example.com/some-find-links-url/',`
`294`	`294`	`)`
`295`	`295`	`page_2 = HTMLPage(`
`296`	`296`	`html_bytes,`
`297`	`297`	`encoding=None,`
`298`		`- url='https://example.com/simple/',`
	`298`	`+ url='https://example.com/some-find-links-url/',`
`299`	`299`	`)`
`300`	`300`
`301`	`301`	`with mock.patch("pip._internal.index.collector.html5lib.parse") as mock_parse:`