removed unnecessary imports from tests

tests/test_fits.py

@@ -1,16 +1,13 @@
 import autograd.numpy as np
-import os
-import random
-import string
-import copy
 import math
 import scipy.optimize
-from scipy.odr import ODR, Model, Data, RealData
+from scipy.odr import ODR, Model, RealData
 import pyerrors as pe
 import pytest
 
 np.random.seed(0)
 
+
 def test_standard_fit():
     dim = 10 + int(30 * np.random.rand())
     x = np.arange(dim)

tests/test_linalg.py

@@ -1,18 +1,11 @@
-import sys
-sys.path.append('..')
 import autograd.numpy as np
-import os
-import random
 import math
-import string
-import copy
-import scipy.optimize
-from scipy.odr import ODR, Model, Data, RealData
 import pyerrors as pe
 import pytest
 
 np.random.seed(0)
 
+
 def test_matrix_functions():
     dim = 3 + int(4 * np.random.rand())
     print(dim)
@@ -55,4 +48,3 @@ def test_matrix_functions():
             tmp[j].gamma_method()
             assert math.isclose(tmp[j].value, 0.0, abs_tol=1e-9), 'value ' + str(i) + ',' + str(j)
             assert math.isclose(tmp[j].dvalue, 0.0, abs_tol=1e-9), 'dvalue ' + str(i) + ',' + str(j)
-

tests/test_pyerrors.py

@@ -8,6 +8,7 @@ import pytest
 
 np.random.seed(0)
 
+
 def test_dump():
     value = np.random.normal(5, 10)
     dvalue = np.abs(np.random.normal(0, 1))

tests/test_roots.py

@@ -4,6 +4,7 @@ import pytest
 
 np.random.seed(0)
 
+
 def test_root_linear():
 
     def root_function(x, d):
@@ -16,4 +17,3 @@ def test_root_linear():
     assert np.isclose(my_root.value, value)
     difference = my_obs - my_root
     assert all(np.isclose(0.0, difference.deltas['t']))
-