extensions: scancode: Fix file type reporting

The get_file_type function assumed that the json object's boolean
values were strings but they were in fact boolean. This change
updates the function to do boolean checks on the various file type
keys.

Signed-off-by: Nisha K <nishak@vmware.com>

tern/extensions/scancode/executor.py

@@ -34,13 +34,13 @@ def get_file_type(scancode_file_dict):
     '''Scancode's file dictionary has a set of keys:
         is_binary, is_text, is_archive, is_media, is_source, is_script
     using this set, return a filetype recognized by SPDX'''
-    if scancode_file_dict['is_binary'] == 'true':
+    if scancode_file_dict.get('is_binary'):
         return 'BINARY'
-    if scancode_file_dict['is_source'] == 'true':
+    if scancode_file_dict.get('is_source'):
         return 'SOURCE'
-    if scancode_file_dict['is_text'] == 'true':
+    if scancode_file_dict.get('is_text'):
         return 'TEXT'
-    if scancode_file_dict['is_archive'] == 'true':
+    if scancode_file_dict.get('is_archive'):
         return 'ARCHIVE'
     return 'OTHER'