pep-8 fix

Author: michigraber

sklearn/linear_model/least_angle.py

@@ -809,7 +809,7 @@ def __init__(self, alpha=1.0, fit_intercept=True, verbose=False,
         self.verbose = verbose
         self.normalize = normalize
         self.method = 'lasso'
-        self.positive=positive 
+        self.positive = positive 
         self.precompute = precompute
         self.copy_X = copy_X
         self.eps = eps