[+] fix mypy errors

python/online/fxreader/pr34/commands_typed/pip.py

@@ -1,7 +1,9 @@
 import contextlib
 import pathlib
+import sys
 import enum
 import dataclasses
+import subprocess
 
 import unittest.mock
 import logging
@@ -433,16 +435,25 @@ def pip_resolve(
         # ], [])
         logger.warn(result_requirements)
 
-        res = pip_resolve_t.res_t(
-            entries=[
+        res = pip_resolve_t.res_t()
+
+        res.entries = []
+
+        for o in result_requirements:
+            assert isinstance(o, InstallRequirement)
+
+            sha256_hashes = o.hashes()._allowed["sha256"]
+            assert len(sha256_hashes) == 1
+            assert not o.link is None
+
+            res.entries.append(
                 pip_resolve_t.res_t.download_info_t(
                     constraint=str(o.req),
-                    sha256=o.hashes()._allowed["sha256"],
+                    sha256=sha256_hashes[0],
                     url=o.link.url,
                 )
-                for o in sum(result_requirements, [])
-            ],
             )
+
         res.txt = pip_resolve_entries_to_txt(
             res.entries
         )