Revert "Treat invalid platform as more compatible than invalid Python (…

…#7556)" (#7608)

Closes #7606

We'll need to dig deeper into the cause here.

crates/distribution-types/src/prioritized_distribution.rs

@@ -569,7 +569,7 @@ impl IncompatibleWheel {
             },
             Self::Tag(tag_self) => match other {
                 Self::ExcludeNewer(_) => false,
-                Self::Tag(tag_other) => tag_self > tag_other,
+                Self::Tag(tag_other) => tag_other > tag_self,
                 Self::NoBinary | Self::RequiresPython(_, _) | Self::Yanked(_) => true,
             },
             Self::RequiresPython(_, _) => match other {

crates/uv/tests/pip_compile.rs

@@ -12382,45 +12382,3 @@ fn prune_unreachable() -> Result<()> {
 
     Ok(())
 }
-
-/// See: <https://github.com/astral-sh/uv/issues/7553>
-#[test]
-fn invalid_platform() -> Result<()> {
-    let context = TestContext::new("3.10");
-    let requirements_in = context.temp_dir.child("requirements.in");
-    requirements_in.write_str("open3d")?;
-
-    uv_snapshot!(context
-        .pip_compile()
-        .arg("--python-platform")
-        .arg("linux")
-        .arg("requirements.in"), @r###"
-    success: false
-    exit_code: 1
-    ----- stdout -----
-
-    ----- stderr -----
-      × No solution found when resolving dependencies:
-      ╰─▶ Because only the following versions of open3d are available:
-              open3d==0.8.0.0
-              open3d==0.9.0.0
-              open3d==0.10.0.0
-              open3d==0.10.0.1
-              open3d==0.11.0
-              open3d==0.11.1
-              open3d==0.11.2
-              open3d==0.12.0
-              open3d==0.13.0
-              open3d==0.14.1
-              open3d==0.15.1
-              open3d==0.15.2
-              open3d==0.16.0
-              open3d==0.16.1
-              open3d==0.17.0
-              open3d==0.18.0
-          and open3d<=0.15.2 has no wheels with a matching Python ABI tag, we can conclude that open3d<0.9.0.0 cannot be used.
-          And because open3d>=0.16.0 has no wheels with a matching platform tag and you require open3d, we can conclude that your requirements are unsatisfiable.
-    "###);
-
-    Ok(())
-}