[3.13] gh-139646: fix typo in pickletools error message (GH-139647)

Lib/pickletools.py

@@ -348,7 +348,7 @@ def read_stringnl(f, decode=True, stripquotes=True, *, encoding='latin-1'):
         for q in (b'"', b"'"):
             if data.startswith(q):
                 if not data.endswith(q):
-                    raise ValueError("strinq quote %r not found at both "
+                    raise ValueError("string quote %r not found at both "
                                      "ends of %r" % (q, data))
                 data = data[1:-1]
                 break

Lib/test/test_pickletools.py

@@ -394,13 +394,13 @@ def test_string_without_quotes(self):
         self.check_dis_error(b'Sabc"\n.', '',
                              "no string quotes around b'abc\"'")
         self.check_dis_error(b"S'abc\n.", '',
-                             '''strinq quote b"'" not found at both ends of b"'abc"''')
+                             '''string quote b"'" not found at both ends of b"'abc"''')
         self.check_dis_error(b'S"abc\n.', '',
-                             r"""strinq quote b'"' not found at both ends of b'"abc'""")
+                             r"""string quote b'"' not found at both ends of b'"abc'""")
         self.check_dis_error(b"S'abc\"\n.", '',
-                             r"""strinq quote b"'" not found at both ends of b'\\'abc"'""")
+                             r"""string quote b"'" not found at both ends of b'\\'abc"'""")
         self.check_dis_error(b"S\"abc'\n.", '',
-                             r"""strinq quote b'"' not found at both ends of b'"abc\\''""")
+                             r"""string quote b'"' not found at both ends of b'"abc\\''""")
 
     def test_binstring(self):
         self.check_dis(b"T\x03\x00\x00\x00abc.", '''\