diff --git a/Lib/bdb.py b/Lib/bdb.py
index 6d6d419..aa6779d 100644
--- a/Lib/bdb.py
+++ b/Lib/bdb.py
@@ -257,7 +257,7 @@
         # pair, then remove the breaks entry
         for bp in Breakpoint.bplist[filename, lineno][:]:
             bp.deleteMe()
-        if not Breakpoint.bplist.has_key((filename, lineno)):
+        if (filename, lineno) not in Breakpoint.bplist:
             self.breaks[filename].remove(lineno)
         if not self.breaks[filename]:
             del self.breaks[filename]
@@ -464,7 +464,7 @@
         Breakpoint.next = Breakpoint.next + 1
         # Build the two lists
         self.bpbynumber.append(self)
-        if self.bplist.has_key((file, line)):
+        if (file, line) in self.bplist:
             self.bplist[file, line].append(self)
         else:
             self.bplist[file, line] = [self]