Improve data imports

Signed-off-by: ArthurTemporim <arthurrtl@gmail.com>

rasa/core/domain.py

@@ -6,7 +6,6 @@
 from typing import Any, Dict, List, Optional, Text, Tuple, Union, Set
 
 import rasa.utils.io
-from rasa import data
 from rasa.cli.utils import bcolors
 from rasa.constants import DOMAIN_SCHEMA_FILE
 from rasa.core import utils
@@ -131,6 +130,7 @@ def from_directory(
         cls, path: Text, skill_imports: Optional[SkillSelector] = None
     ) -> "Domain":
         """Loads and merges multiple domain files recursively from a directory tree."""
+        from rasa import data
 
         domain = Domain.empty()
         skill_imports = skill_imports or SkillSelector.all_skills()

rasa/data.py

@@ -6,6 +6,7 @@
 import typing
 import re
 from typing import Tuple, List, Text, Set, Union, Optional
+from rasa.nlu.training_data import loading
 
 logger = logging.getLogger(__name__)
 
@@ -155,8 +156,6 @@ def _is_valid_filetype(path: Text) -> bool:
 
 def _is_nlu_file(file_path: Text) -> bool:
     """Checks whether a file is an NLU file."""
-    from rasa.nlu.training_data import loading
-
     return loading.guess_format(file_path) != loading.UNK