update readme, reformat code

Author: Mr-Milk

.github/workflows/test.yaml

@@ -11,8 +11,8 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest]
-        python-version: [3.5, 3.6]
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        python-version: [3.8]
 
     steps:
     - uses: actions/checkout@v2

README.md

@@ -55,8 +55,6 @@ from spatialentropy import leibovici_entropy
 
 # set the distance cut-off to 5
 e = leibovici_entropy(points, types, d=5)
-# or choose an interval from 10-20
-e = leibovici_entropy(points, types, d=(10, 20))
 # if you want to change the base of log
 e = leibovici_entropy(points, types, base=2)
 

spatialentropy/_leibovici_entropy.py

@@ -32,13 +32,11 @@ def leibovici(points: Union[List[float], np.ndarray],
         base = np.e
 
     if d is None:
-        d1 = 0
-        d2 = 10
+        d = 10
     elif isinstance(d, (int, float)):
-        d1 = 0
-        d2 = d
+        pass
     else:
-        raise ValueError("d could either be a number or an interval.")
+        raise TypeError("d should be a number.")
 
     points = [tuple(i) for i in points]
     if isinstance(types[0], str):

spatialentropy/_utils.py

@@ -113,7 +113,6 @@ def get_pair(types, neighbors):
 
 
 def get_pair_count(pair, order):
-
     pairs_counts = Counter(pair)
 
     if not order: