corrected and added comments

Lib/test/test_named_expression.py

@@ -166,7 +166,7 @@ class NamedExpressionInvalidTest(unittest.TestCase):
                 with self.assertRaisesRegex(SyntaxError, msg):
                     exec(f"lambda: {code}", {}) # Function scope
 
-    @unittest.expectedFailure # TODO RustPythonskip
+    @unittest.expectedFailure # TODO RustPython
     def test_named_expression_invalid_comprehension_iterable_expression(self):
         cases = [
             ("Top level", "[i for i in (i := range(5))]"),

pdc.sh

@@ -1,7 +1,23 @@
+
+# Pre Delivery Check - or PDC for short - runs all build and check steps.
+# The intension is to run all checks before delivering (or raising a PR or commiting or what ever you want to use it for).
+#
+# PDC executes all of the configured actions in the given order and reports which of them failed, 
+# without stopping in case of an fail. 
+# The actions in the given version are the RustPython CI steps plus a debug build in advance. 
+# So you can run all of the checks in advance with one command.
+#
+# If you want to customize it or adapt the checks, just add or remove it from/ to the ACTIONS
+
+
+ACTIONS=("cargo build" "cargo build --release" "cargo fmt --all" "cargo clippy --all -- -Dwarnings" "cargo test --all" "cargo run --release -- -m test -v" "cd tests" "pytest" "cd ..")
+
+# Usually, there should be no need to adapt the remaining file, when adding or removing actions.
+
+
 RUSTPYTHONPATH=Lib
 export RUSTPYTHONPATH
 
-ACTIONS=("cargo build" "cargo build --release" "cargo fmt --all" "cargo clippy --all -- -Dwarnings" "cargo test --all" "cargo run --release -- -m test -v" "cd tests" "pytest" "cd ..")
 ACT_RES=0
 FAILS=()