Clean up test_support

Remove unused import
Fix a few line endings

tests/test_support.py

@@ -5,7 +5,6 @@
 from __future__ import division, print_function
 import pytest
 import sys
-import warnings
 from itertools import repeat
 
 from symfit.core.support import (
@@ -174,18 +173,10 @@ def test_parameters():
     assert not x1.fixed
     assert not x2.fixed
     with pytest.raises(ValueError):
-        x1, x2 = parameters('x1, x2',
-                            value=[2.0, 1.3, 3.0], 
-                            min=0.0
-                        )
-
-    x1, x2 = parameters('x1, x2', 
-                        value=[2.0, 1.3], 
-                        min=[-30, -10], 
-                        max=[300, 100], 
-                        fixed=[True, False]
-                    )
-
+        x1, x2 = parameters('x1, x2', value=[2.0, 1.3, 3.0], min=0.0)
+
+    x1, x2 = parameters('x1, x2', value=[2.0, 1.3], min=[-30, -10], max=[300, 100], fixed=[True, False])
+
     assert x1.min == -30
     assert x2.min == -10
     assert x1.max == 300
@@ -197,8 +188,7 @@ def test_parameters():
 
     # Illegal bounds
     with pytest.raises(ValueError):
-        x1, x2 = parameters('x1, x2', value=[2.0, 1.3], min=[
-                            400, -10], max=[300, 100])
+        x1, x2 = parameters('x1, x2', value=[2.0, 1.3], min=[400, -10], max=[300, 100])
     # Should not raise any error, as repeat is an endless source of values
     x1, x2 = parameters('x1, x2', value=[2.0, 1.3], min=repeat(0.0))
 
@@ -214,7 +204,7 @@ def f(self):
             return 2
 
     a = A()
-    # Deleta before a cache was set will fail silently.
+    # Delete a.f before a cache was set will fail silently.
     del a.f
     with pytest.raises(AttributeError):
         # Cache does not exist before f is called