fuse.py : os.unlink error correction.

tools/fuse.py

@@ -743,7 +743,7 @@ def main():
     for i in range(len(jlist_fused.d["clones"])) :
         fasta += ">>" + str(i) + "\n"
         fasta += jlist_fused.d["clones"][i].d["id"] + "\n"
-    fasta_file = tempfile.NamedTemporaryFile()
+    fasta_file = tempfile.NamedTemporaryFile(delete=False)
     fasta_file.write(fasta)
     try:
         out = subprocess.check_output([TOOL_SIMILARITY, "-j", fasta_file.name])