Merge pull request #189 from h2020charisma/fix_rc1_metadata

Fix ngs metadata None

Author: georgievgeorgi

src/ramanchada2/io/experimental/rc1_parser/binary_readers.py

@@ -199,4 +199,4 @@ def read_ngs_meta(f):
         # add units to par names
         par = [name + f' [{unit}]' for name, unit in zip(par_names, par_units)]
         meta = dict(zip(par, par_values))
-        return meta
+    return meta

src/ramanchada2/io/experimental/rc1_parser/io.py

@@ -34,6 +34,8 @@ def parse(source_path, file_type=None):
         )
 
     x_data, y_data, metadata = reader(source_path)
+    if metadata is None:
+        metadata = {}
     # Get rid of bytes that are found in some of the formats
     metadata = cleanMeta(metadata)
     # Flatten metadata