from __future__ import absolute_import

from .filterbank import Filterbank, read_header, fix_header
from .guppi import GuppiRaw
from . import utils
from . import fil2hdf
from . import fil2h5
from . import h52fil
from . import gup2hdf
from . import waterfall
from . import file_wrapper
from . import match_fils

try:
    from .waterfall import Waterfall
except ImportError:
    pass

@@ -141,16 +141,26 @@
 t utils%0A
+%0Atry:%0A    
 from . i
@@ -169,24 +169,28 @@
 ort fil2hdf%0A
+    
 from . impor
@@ -198,16 +198,20 @@
  fil2h5%0A
+    
 from . i
@@ -223,16 +223,20 @@
  h52fil%0A
+    
 from . i
@@ -249,16 +249,80 @@
 gup2hdf%0A
+except:%0A    print(%22Warning: Cannot import HDF5 utilities%22)%0A    %0A
 from . i

Change __init__.py for h5py ImportError catch