Use legacy resolver

jazzband · Nov 19, 2020 · a1e34a7 · a1e34a7
1 parent bb2cea7
commit a1e34a7
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/piptools/repositories/pypi.py b/piptools/repositories/pypi.py
@@ -58,7 +58,12 @@ def __init__(self, pip_args, cache_dir):
         # General options (find_links, index_url, extra_index_url, trusted_host,
         # and pre) are deferred to pip.
         self.command = create_command("install")
-        self.options, _ = self.command.parse_args(pip_args)
+        extra_pip_args = (
+            []
+            if PIP_VERSION[:2] <= (20, 2)
+            else ["--use-deprecated", "legacy-resolver"]
+        )
+        self.options, _ = self.command.parse_args(pip_args + extra_pip_args)
         if self.options.cache_dir:
             self.options.cache_dir = normalize_path(self.options.cache_dir)