lis.py: removed 'global_env' as default for 'evaluate(x, env)'

2021-06-09 19:41:34 -03:00
parent 2338cb9d98
commit 36afc017d4
4 changed files with 26 additions and 20 deletions
--- a/18-context-mngr/lispy/py3.9/lis.py
+++ b/18-context-mngr/lispy/py3.9/lis.py
@@ -138,7 +138,7 @@ def lispstr(exp: object) -> str:
 ################ eval


-def evaluate(x: Expression, env: Environment = global_env) -> Any:
+def evaluate(x: Expression, env: Environment) -> Any:
    "Evaluate an expression in an environment."
    if isinstance(x, str):         # variable reference
        return env[x]