cmds.project.lib.pkg_relations(): Fix: Empty output

This reverts the changes commit 24928c6f did beyond mere type fixes to pkg_relations(). It looked better, but it had the output collapse to an empty list. Refactoring of that mega-function postponed.
Signed-off-by: Jan Lindemann <jan@janware.com>

src/python/jw/pkg/cmds/projects/lib/pkg_relations.py

@@ -112,7 +112,7 @@ def pkg_relations(
                                 raise Exception('Unknown version specifier in ' + spec)
                     if len(dep) != 3 or not expand_semver_revision_range:
                         expanded_deps = [dep]
-                        continue
+                    else:
                         assert version is not None
                         expanded_deps = []
                         semver = re.split(r'[.-]', version)