PY-19796 Fixed: Incorrect parameter type hint for ord() function parameter

Update skeleton of ord function to accept bytes in Py3

python/helpers/python-skeletons/builtins.py

@@ -250,7 +250,7 @@ def open(name, mode='r', buffering=-1, encoding=None, errors=None, newline=None,
 def ord(c):
     """Return the integer ordinal of a one-character string.
 
-    :type c: str
+    :type c: bytes | str
     :rtype: int
     """
     return 0

python/testData/inspections/PyTypeCheckerInspection/Ord.py

@@ -0,0 +1,2 @@
+ord(b'A')
+ord('A')

python/testSrc/com/jetbrains/python/inspections/Py3TypeCheckerInspectionTest.java

@@ -108,4 +108,9 @@ public class Py3TypeCheckerInspectionTest extends PyTestCase {
   public void testListGetItemWithSlice() {
     doTest();
   }
+
+  // PY-19796
+  public void testOrd() {
+    doTest();
+  }
 }