use default argument for db size when creating new blast db

Newer version have a hard limit for maximum file size that has been
exceeded by the arguments provided by the blast binding.
We simply use the default instead. Thanks to Andrius Merkys for the proposed fix.

modules/bindings/pymod/blast.py

@@ -149,21 +149,20 @@ def CreateDB(infasta, dbout, mkdb_cmd=None):
   if mkdb_cmd==None:
     try:
       exe=settings.Locate('formatdb')
-      args=[exe, '-i', infasta, '-v',str(10000),'-n',dbout]
+      args=[exe, '-i', infasta, '-n', dbout]
     except:
       try:
         exe=settings.Locate('makeblastdb')
-        args=[exe, '-in', infasta, ' -max_file_sz 10GB -out', dbout,'-dbtype','prot']
-        
+        args=[exe, '-in', infasta, '-out', dbout, '-dbtype', 'prot']
       except:
         raise RuntimeError('could not find makeblastdb/formatdb executable')
   else:
     if os.path.basename(mkdb_cmd)=='makeblastdb':
       exe=settings.Locate('makeblastdb',explicit_file_name=mkdb_cmd)
-      args=[exe, '-in', infasta, ' -max_file_sz 10GB -out', dbout,'-dbtype','prot']
+      args=[exe, '-in', infasta, '-out', dbout, '-dbtype', 'prot']
     elif os.path.basename(mkdb_cmd)=='formatdb':
         exe=settings.Locate('formatdb',explicit_filename=mkdb_cmd)
-        args=[exe, '-i', infasta, '-v',str(10000),'-n',dbout]
+        args=[exe, '-i', infasta, '-n', dbout]
     else:
       raise IOError('mkdb command must either be the path to formatdb or makeblastdb!')