Remove some Python 3.6 references

README.rst

@@ -31,7 +31,7 @@ A simple example:
 .. code-block:: python
 
     >>> import parso
-    >>> module = parso.parse('hello + 1', version="3.6")
+    >>> module = parso.parse('hello + 1', version="3.9")
     >>> expr = module.children[0]
     >>> expr
     PythonNode(arith_expr, [<Name: hello@1,0>, <Operator: +>, <Number: 1>])

docs/conf.py

@@ -273,7 +273,7 @@ autodoc_default_flags = []
 # -- Options for intersphinx module --------------------------------------------
 
 intersphinx_mapping = {
-    'http://docs.python.org/': ('https://docs.python.org/3.6', None),
+    'http://docs.python.org/': ('https://docs.python.org/3.8', None),
 }
 
 

parso/__init__.py

@@ -13,7 +13,7 @@ Parso consists of a small API to parse Python and analyse the syntax tree.
 A simple example:
 
 >>> import parso
->>> module = parso.parse('hello + 1', version="3.6")
+>>> module = parso.parse('hello + 1', version="3.9")
 >>> expr = module.children[0]
 >>> expr
 PythonNode(arith_expr, [<Name: hello@1,0>, <Operator: +>, <Number: 1>])

parso/pgen2/grammar_parser.py

@@ -18,7 +18,7 @@ class GrammarParser():
         self._bnf_grammar = bnf_grammar
         self.generator = tokenize(
             bnf_grammar,
-            version_info=parse_version_string('3.6')
+            version_info=parse_version_string('3.9')
         )
         self._gettoken()  # Initialize lookahead
 

test/failing_examples.py

@@ -34,7 +34,7 @@ FAILING_EXAMPLES = [
     'lambda x=3, y: x',
     '__debug__ = 1',
     'with x() as __debug__: pass',
-    # Mostly 3.6 relevant
+
     '[]: int',
     '[a, b]: int',
     '(): int',

test/test_error_recovery.py

@@ -74,7 +74,7 @@ def test_invalid_token():
 
 
 def test_invalid_token_in_fstr():
-    module = load_grammar(version='3.6').parse('f"{a + ? + b}"')
+    module = load_grammar(version='3.9').parse('f"{a + ? + b}"')
     error_node, q, plus_b, error1, error2, endmarker = module.children
     assert error_node.get_code() == 'f"{a +'
     assert q.value == '?'

test/test_tokenize.py

@@ -184,7 +184,6 @@ def test_ur_literals():
     check('bR""')
     check('Rb""')
 
-    # Starting with Python 3.6 format strings where introduced.
     check('fr""')
     check('rF""')
     check('f""')