python-postgres
diff --git a/‎postgresql/temporal.py‎
Lines changed: 11 additions & 10 deletions b/‎postgresql/temporal.py‎
Lines changed: 11 additions & 10 deletions
@@ -6,6 +6,7 @@
 """
 import os
 import atexit
+import builtins
 from collections import deque
 from .cluster import Cluster, ClusterError
 from . import installation
@@ -179,7 +180,7 @@ def new_pg_tmp_connection(l = extras, c = c, sbid = 'sandbox' + str(self.sandbox
 			return l[-1]
 
 		# The new builtins.
-		builtins = {
+		local_builtins = {
 			'db' : c,
 			'prepare' : c.prepare,
 			'xact' : c.xact,
@@ -193,37 +194,37 @@ def new_pg_tmp_connection(l = extras, c = c, sbid = 'sandbox' + str(self.sandbox
 		if not self.builtins_stack:
 			# Store any of those set or not set.
 			current = {
-				k : __builtins__[k] for k in self.builtins_keys
-				if k in __builtins__
+				k : builtins.__dict__[k] for k in self.builtins_keys
+				if k in builtins.__dict__
 			}
 			self.builtins_stack.append((current, []))
 
 		# Store and push.
-		self.builtins_stack.append((builtins, extras))
-		__builtins__.update(builtins)
+		self.builtins_stack.append((local_builtins, extras))
+		builtins.__dict__.update(local_builtins)
 		self.sandbox_id += 1
 
 	def pop(self, exc, drop_schema = 'DROP SCHEMA sandbox{0} CASCADE'.format):
-		builtins, extras = self.builtins_stack.pop()
+		local_builtins, extras = self.builtins_stack.pop()
 		self.sandbox_id -= 1
 
 		# restore __builtins__
 		if len(self.builtins_stack) > 1:
-			__builtins__.update(self.builtins_stack[-1][0])
+			builtins.__dict__.update(self.builtins_stack[-1][0])
 		else:
 			previous = self.builtins_stack.popleft()
 			for x in self.builtins_keys:
 				if x in previous:
-					__builtins__[x] = previous[x]
+					builtins.__dict__[x] = previous[x]
 				else:
 					# Wasn't set before.
-					__builtins__.pop(x, None)
+					builtins.__dict__.pop(x, None)
 
 		# close popped connection, but only if we're not in an interrupt.
 		# However, temporal will always terminate all backends atexit.
 		if exc is None or isinstance(exc, Exception):
 			# Interrupt then close. Just in case something is lingering.
-			for xdb in [builtins['db']] + list(extras):
+			for xdb in [local_builtins['db']] + list(extras):
 				if xdb.closed is False:
 					# In order for a clean close of the connection,
 					# interrupt before closing. It is still