Fixed unit test (#102)

README.rst

@@ -29,7 +29,9 @@ to compile a requirements solution and install third-party distributions from th
 project differs from ``rules_python`` in that the URLs for the distributions are written to the
 solution, enabling deterministic and repo-cacheable downloads and installs of third-party dependencies.
 
-To get started with bzlmod on Bazel 7::
+To get started with bzlmod on Bazel 7:
+
+.. code-block:: python
 
     # Find {version} on the req-compile GitHub releases page.
     bazel_dep(name = "rules_req_compile", version = "{version}")
@@ -45,7 +47,9 @@ To get started with bzlmod on Bazel 7::
     )
     use_repo(requirements, "my_pip_deps")
 
-Using WORKSPACE.bazel::
+Using WORKSPACE.bazel:
+
+.. code-block:: python
 
     load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
@@ -322,4 +326,3 @@ together and ensure that their requirements will all install into the same envir
 
     > req-candidates --paths-only | req-compile --extra test --solution compiled-requirements.txt --wheel-dir .wheeldir > compiled-requirements.txt
     .. all reqs and all test reqs compiled together...
-

private/reqs_repo.bzl

@@ -193,6 +193,7 @@ def parse_constraint(data, lockfile, wheel_dirs):
         for entry in data[2:-1]:
             text = entry.replace("# via", "#")
             pkg, _, _ = text.strip(" #").partition(" ")
+
             # TODO: Support extras.
             # Split off the extra.
             pkg, _, _ = pkg.partition("[")

private/tests/unit/parse_lockfile_test_suite.bzl

@@ -305,7 +305,7 @@ _FIND_LINKS_NESTED_EXPECTED = {
         "sha256": "810546bb58f2aff5f51ee5c8389d936c9c8ba4c27ddace1c4a87e48635b8812a",
         "url": None,
         "version": "3.5.1",
-        "via": [],
+        "via": None,
     },
 }