updates based on PR review, thanks @daisieh

CSVConvert.py

@@ -410,11 +410,14 @@ def read_mapping_template(mapping_path):
                     continue
                 joined_line = ''
                 for value in line:
-                    if value == '':
+                    if value.strip() == '':
                         continue
                     else:
-                        joined_line = joined_line + value + ','
-                template_lines.append(joined_line.rstrip(','))
+                        joined_line = joined_line + value.strip() + ','
+                if joined_line == '':
+                    continue
+                else:
+                    template_lines.append(joined_line.rstrip(','))
     except FileNotFoundError:
         sys.exit(f"Mapping template {mapping_path} not found. Ensure your mapping template is in the directory with the"
                  f" manifest.yml and is specified correctly.")

mappings.py

@@ -250,17 +250,6 @@ def float(data_values):
         return None
 
 
-# This seems like a duplicate of the method above, ok to delete?
-# def double(data_values):
-#     cell = single_val(data_values)
-#     if cell is None or cell.lower() == "nan":
-#         return None
-#     try:
-#         return float_val(cell)
-#     except:
-#         return None
-
-
 def ontology_placeholder(data_values):
     """Placeholder function to make a fake ontology entry.