diff -r b95cf0f1bb77 Lib/idlelib/PyShell.py
--- a/Lib/idlelib/PyShell.py	Sat Jul 26 00:58:34 2014 +0200
+++ b/Lib/idlelib/PyShell.py	Sat Jul 26 20:19:38 2014 +0530
@@ -151,6 +151,9 @@
     def set_breakpoint(self, lineno):
         text = self.text
         filename = self.io.filename
+        if not filename:
+            text.bell()
+            return
         text.tag_add("BREAK", "%d.0" % lineno, "%d.0" % (lineno+1))
         try:
             i = self.breakpoints.index(lineno)
@@ -163,21 +166,15 @@
             pass
 
     def set_breakpoint_here(self, event=None):
+        lineno = int(float(self.text.index("insert")))
+        self.set_breakpoint(lineno)
+
+    def clear_breakpoint(self, lineno):
         text = self.text
         filename = self.io.filename
         if not filename:
             text.bell()
             return
-        lineno = int(float(text.index("insert")))
-        self.set_breakpoint(lineno)
-
-    def clear_breakpoint_here(self, event=None):
-        text = self.text
-        filename = self.io.filename
-        if not filename:
-            text.bell()
-            return
-        lineno = int(float(text.index("insert")))
         try:
             self.breakpoints.remove(lineno)
         except:
@@ -190,6 +187,10 @@
         except:
             pass
 
+    def clear_breakpoint_here(self, event=None):
+        lineno = int(float(self.text.index("insert")))
+        self.clear_breakpoint(lineno)
+
     def clear_file_breaks(self):
         if self.breakpoints:
             text = self.text