Remove nonsensical grammar from blib2to3

diff --git a/black.py b/black.py
index eafc9e7be9251abaaee8fbef9b024e243b02a15c..da645a1fad535382255cbd0801acd89991d4c601 100644 (file)
--- a/black.py
+++ b/black.py
@@ -428,7 +428,6 @@ def format_str(src_contents: str, line_length: int) -> FileContent:
 GRAMMARS = [
     pygram.python_grammar_no_print_statement_no_exec_statement,
     pygram.python_grammar_no_print_statement,
-    pygram.python_grammar_no_exec_statement,
     pygram.python_grammar,
 ]
 

diff --git a/blib2to3/pygram.py b/blib2to3/pygram.py
index bf55ab4babc1f29500fd1880c65702b95207ce70..b847c1e71b7d2261cdc4b4cf2e4f94070c503938 100644 (file)
--- a/blib2to3/pygram.py
+++ b/blib2to3/pygram.py
@@ -29,16 +29,16 @@ class Symbols(object):
             setattr(self, name, symbol)
 
 
+# Python 2
 python_grammar = driver.load_packaged_grammar("blib2to3", _GRAMMAR_FILE)
 
 python_symbols = Symbols(python_grammar)
 
+# Python 2 + from __future__ import print_function
 python_grammar_no_print_statement = python_grammar.copy()
 del python_grammar_no_print_statement.keywords["print"]
 
-python_grammar_no_exec_statement = python_grammar.copy()
-del python_grammar_no_exec_statement.keywords["exec"]
-
+# Python 3
 python_grammar_no_print_statement_no_exec_statement = python_grammar.copy()
 del python_grammar_no_print_statement_no_exec_statement.keywords["print"]
 del python_grammar_no_print_statement_no_exec_statement.keywords["exec"]