updating docstrings

bbi/bbi_header.py

@@ -197,7 +197,16 @@ def get_pointing_id(filename):
     return point_id
 
 
-def insert_wcs_kws(new_header, filename):
+def insert_wcs_kws(header, filename):
+    """
+    Add WCS coordinate information Keywords into existing header
+    Args:
+        header: existing astropy Header instance to be updated
+        filename: filename from where to extract the coordinate information
+
+    Returns: new_header: updated header
+
+    """
     # add wcs kws
     x, y = get_coords(filename)
     data = fits.getdata(filename)
@@ -226,13 +235,13 @@ def insert_wcs_kws(new_header, filename):
         # Compatibility for SunPy Maps
         HGLN_OBS=0,
         HGLT_OBS=0,
-        DSUN_OBS=earth_distance(new_header["DATE-BEG"]).meter,
+        DSUN_OBS=earth_distance(header["DATE-BEG"]).meter,
     )
     wcs_values["DATE-OBS"] = str(date_from_fn(filename))
 
     for key, val in wcs_values.items():
-        new_header[key] = val
-    return new_header
+        header[key] = val
+    return header
 
 
 def insert_separators(new_header):