performance of environment.get not so good

1 files changed, 6 insertions, 4 deletions

diff --git a/neb/structs.py b/neb/structs.py
index 1cb2adc..fcfa430 100644
--- a/neb/structs.py
+++ b/neb/structs.py
@@ -163,12 +163,14 @@ class Environment:
             return False
 
     def get(self, key):
-        if not self.contains(key):
-            raise NebPanic(f"undefined symbol: '{key}")
-        if key in self.environment:
+        try:
             return self.environment[key]
-        else:
+        except:
+            pass
+        try:
             return self.parent.get(key)
+        except:
+            raise NebPanic(f"undefined symbol: '{key}")
 
     def __str__(self):
         out = ""