Fixed import issues

Author: GarkGarcia

test/test_general_yaml_sanity.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-from util import yaml_data
+from test.util import yaml_data
 import unicodedata
 
 def check_attr_is_invertible(attr: str):

test/test_has_unicode_inverse_sanity.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-from util import yaml_data, json_data
+from test.util import yaml_data, json_data
 
 def test_has_unicode_inverse_sanity():
     inverses = set()

test/test_letterlikes_sanity.py

@@ -1,4 +1,4 @@
-from util import yaml_data, json_data
+from test.util import yaml_data, json_data
 
 def test_letterlikes_sanity():
     letterlikes = json_data["letterlikes"]

test/test_roundtrip.py

@@ -1,6 +1,6 @@
 from mathics_scanner.characters import replace_wl_with_plain_text as wl_to_unicode
 from mathics_scanner.characters import replace_unicode_with_wl as unicode_to_wl
-from util import yaml_data, json_data
+from test.util import yaml_data, json_data
 
 
 def test_roundtrip():

test/test_wl_to_ascii.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 
-from util import yaml_data
+from mathics_scanner.characters import replace_wl_with_plain_text
+from test.util import yaml_data
 
 def wl_to_ascii(wl_input: str) -> str:
     return replace_wl_with_plain_text(wl_input, use_unicode=False)