[Biopython-dev] Error in tutorial program (correction)

[abc at palantir.chem.emory.edu]

Oops.

Correction on that correction.

Ben

--- Bio/Fasta/__init__.py	2001/07/05 23:56:49	1.4
+++ Bio/Fasta/__init__.py	2002/10/17 18:03:52
@@ -211,15 +211,12 @@
     def feed(self, handle, consumer):
         """feed(self, handle, consumer)
 
-        Feed in FASTA data for scanning.  handle is a file-like object
-        containing FASTA data.  consumer is a Consumer object that will
-        receive events as the FASTA data is scanned.
+        Feed in FASTA data for scanning.  handle is an instance of
+        File.UndoHandle containing FASTA data.  consumer is a Consumer
+        object that will receive events as the FASTA data is scanned.
 
         """
-        if isinstance(handle, File.UndoHandle):
-            uhandle = handle
-        else:
-            uhandle = File.UndoHandle(handle)
+        assert isinstance(handle, File.UndoHandle)
         
         if uhandle.peekline():
             self._scan_record(uhandle, consumer)