cleaning unused imports

Signed-off-by: neuronflow <[email protected]>

unit_tests/test_datatype.py

@@ -5,15 +5,7 @@
 import os
 import unittest
 
-import numpy as np
-
-from panoptica.instance_approximator import ConnectedComponentsInstanceApproximator
-from panoptica.instance_matcher import MaximizeMergeMatching, NaiveThresholdMatching
-from panoptica.metrics import Metric, MetricMode, _Metric
-from panoptica.panoptic_evaluator import Panoptic_Evaluator
-from panoptica.panoptic_result import MetricCouldNotBeComputedException, PanopticaResult
-from panoptica.utils.edge_case_handling import EdgeCaseHandler, EdgeCaseResult
-from panoptica.utils.processing_pair import SemanticPair
+from panoptica.metrics import Metric
 
 
 class Test_Panoptic_Evaluator(unittest.TestCase):