Description: Fix regression byte-compiling filenames from stdin
Bug-upstream: https://bugs.python.org/issue45428
Forwarded: https://github.com/python/cpython/pull/28848

--- a/Lib/py_compile.py
+++ b/Lib/py_compile.py
@@ -194,6 +194,7 @@
     else:
         filenames = args.filenames
     for filename in filenames:
+        filename = filename.rstrip('\n')
         try:
             compile(filename, doraise=True)
         except PyCompileError as error: