Remove unused imports (#49)

Author: mirand863

tests/test_LocalClassifierPerLevel.py

@@ -60,8 +60,6 @@ def test_fit_digraph(digraph_logistic_regression):
 
 
 def test_fit_digraph_joblib_multiprocessing(digraph_logistic_regression):
-    from joblib import Parallel, delayed
-
     LocalClassifierPerLevel._has_ray = False
 
     classifiers = [
@@ -70,7 +68,6 @@ def test_fit_digraph_joblib_multiprocessing(digraph_logistic_regression):
     ]
     digraph_logistic_regression.n_jobs = 2
     digraph_logistic_regression.local_classifiers_ = classifiers
-    from joblib import Parallel, delayed, effective_n_jobs
 
     digraph_logistic_regression._fit_digraph(local_mode=True)
     for classifier in digraph_logistic_regression.local_classifiers_:

tests/test_LocalClassifierPerNode.py

@@ -112,8 +112,6 @@ def test_fit_digraph(digraph_logistic_regression):
 
 
 def test_fit_digraph_joblib_multiprocessing(digraph_logistic_regression):
-    from joblib import Parallel, delayed
-
     LocalClassifierPerNode._has_ray = False
 
     classifiers = {

tests/test_LocalClassifierPerParentNode.py

@@ -1,6 +1,5 @@
 import logging
 import tempfile
-import builtins
 
 import networkx as nx
 import numpy as np
@@ -68,8 +67,6 @@ def test_fit_digraph(digraph_logistic_regression):
 
 
 def test_fit_digraph_joblib_multiprocessing(digraph_logistic_regression):
-    from joblib import Parallel, delayed
-
     LocalClassifierPerParentNode._has_ray = False
 
     classifiers = {