add .instrument_type to match PugFile

himawari/ahi2cmi.py

@@ -319,6 +319,10 @@ class HimawariAHIasCMIP(object):
         meta = self._hs.metadata
         return meta.central_wavelength * 1e6
 
+    @property
+    def instrument_type(self):
+        return "%s Advanced Himawari Imager" % self.satellite_name
+
     @property
     def time_span(self):
         meta = self._hs.metadata
@@ -342,7 +346,7 @@ class HimawariAHIasCMIP(object):
             spatial_resolution="%.1fkm at nadir" % (np.round(self.resolution_nadir_meters / 100.0) / 10.0),
             orbital_slot=self.orbital_slot,
             platform_ID=self.platform_id,
-            instrument_type="%s Advanced Himawari Imager" % self.satellite_name,
+            instrument_type=self.instrument_type,
             scene_id=self.scene_id,
             instrument_ID="AHI",
             dataset_name=os.path.split(self.path)[-1],