Small tweaks

call_stmt -> expr_stmt when that's what it is
version tuple things

decompyle3/parsers/p37/full.py

@@ -32,11 +32,11 @@ def p_start(self, args):
         stmts ::= sstmt+
         """
 
-    def p_call_stmt(self, args):
+    def p_eval_mode(self, args):
         """
         # eval-mode compilation.  Single-mode interactive compilation
         # adds another rule.
-        call_stmt ::= expr POP_TOP
+        expr_stmt ::= expr POP_TOP
         """
 
     def p_stmt_loop(self, args):
@@ -134,8 +134,11 @@ def p_stmt(self, args):
         else_suite ::= returns
 
         stmt ::= classdef
+        stmt ::= expr_stmt
         stmt ::= call_stmt
 
+        call_stmt ::= call
+
         stmt ::= ifstmt
         stmt ::= if_or_stmt
         stmt ::= if_and_stmt

decompyle3/scanners/scanner37base.py

@@ -1,4 +1,4 @@
-#  Copyright (c) 2015-2020 by Rocky Bernstein
+#  Copyright (c) 2015-2021 by Rocky Bernstein
 #  Copyright (c) 2005 by Dan Pascu <[email protected]>
 #  Copyright (c) 2000-2002 by hartmut Goebel <[email protected]>
 #
@@ -930,11 +930,10 @@ def next_except_jump(self, start):
         import inspect
 
         co = inspect.currentframe().f_code  # type: ignore
-        from decompyle3 import PYTHON_VERSION
 
-        tokens, customize = Scanner37Base(PYTHON_VERSION).ingest(co)
+        tokens, customize = Scanner37Base(PYTHON_VERSION_TRIPLE).ingest(co)
         for t in tokens:
             print(t)
     else:
-        print(f"Need to be Python 3.7 to demo; I am version {version_tuple_to_str}.")
+        print(f"Need to be Python 3.7 to demo; I am version {version_tuple_to_str()}.")
     pass