[io][utils] Fix some typos

darfix/io/utils.py

@@ -33,6 +33,8 @@ import h5py
 from datetime import datetime
 import numpy
 
+from silx.io.dictdump import dicttoh5
+
 _logger = logging.getLogger(__file__)
 
 
@@ -71,7 +73,7 @@ def advancement_display(iteration, total, prefix='', suffix='', decimals=1, leng
 
 
 def write_process(h5_file, entry, dimensions, W, data, processing_order,
-                   data_path='/', overwrite=True):
+                  data_path='/', overwrite=True):
     """
     Write a stack of components and its parameters into .h5
 
@@ -92,7 +94,7 @@ def write_process(h5_file, entry, dimensions, W, data, processing_order,
     def get_interpretation(my_data):
         """Return hdf5 attribute for this type of data"""
         if isinstance(my_data, numpy.ndarray):
-            if my_data.ndim is 1:
+            if my_data.ndim == 1:
                 return 'spectrum'
             elif my_data.ndim in (2, 3):
                 return 'image'
@@ -154,4 +156,4 @@ def write_process(h5_file, entry, dimensions, W, data, processing_order,
         nx_data["components"] = h5f[source_addr]
 
     for key, value in dimensions.items():
-        save_key(nx_parameters_path, key_path=key, value=value)
\ No newline at end of file
+        save_key(nx_parameters_path, key_path=key, value=value)