i still don't understand how these imports work

lib/tagnews/__init__.py

@@ -6,8 +6,9 @@
 from .utils.load_data import load_data
 from .utils.load_vectorizer import load_glove
 from .senteval.eval import SentimentGoogler
+from .senteval.police_words import police_words_list, bins
 
 __all__ = [utils, crimetype, CrimeTags, GeoCoder, SentimentGoogler,
-           get_lat_longs_from_geostrings, load_data, load_glove]
+           get_lat_longs_from_geostrings, load_data, load_glove, police_words_list, bins]
 
 __version__ = '1.2.4'

lib/tagnews/senteval/__init__.py

@@ -1,3 +1,3 @@
-from . import eval
+from . import eval, police_words
 
-__all__ = [eval]
+__all__ = [eval, police_words]

lib/tagnews/senteval/eval.py

@@ -2,7 +2,7 @@
 from google.cloud.language import enums
 from google.cloud.language import types
 
-from tagnews.senteval import police_words, bins
+from tagnews.senteval.police_words import police_words_list, bins
 
 
 def process_google_result(text):
@@ -12,7 +12,7 @@ def process_google_result(text):
     for entity in sentiment.entities:
         clean_entity = "".join(filter(str.isalpha, entity)).lower()
 
-        if clean_entity in police_words:
+        if clean_entity in police_words_list:
 
             for mention in entity.mentions:
                 return mention.sentiment.score
@@ -21,7 +21,7 @@ def process_google_result(text):
 class SentimentGoogler:
     def __init__(self):
         self.client = self.connect_to_client()
-        self.police_words = police_words
+        self.police_words = police_words_list
 
     def run(self, doc_text):
         sentiment_ = self.call_api(doc_text)

lib/tagnews/senteval/police_words.py

@@ -1,3 +1,3 @@
-police_words = ["police", "officer", "cop", "officers", "pigs"]
+police_words_list = ["police", "officer", "cop", "officers", "pigs"]
 
 bins = [.1, .2, .3, .4, .5, .6, .7, .8, .9, 1]