Fix some weird docstrings

grade.py

-""""
+"""
 Functions to score specified data using specified ML models
-""""
+"""
 
 import sys
 import pickle
@@ -162,13 +162,13 @@ def grade_generic(grader_data, numeric_features, textual_features):
     return results
 
 def get_confidence_value(algorithm,model,grader_feats,score):
-    """"
+    """
     Determines a confidence in a certain score, given proper input parameters
     algorithm- from util_functions.AlgorithmTypes
     model - a trained model
     grader_feats - a row of features used by the model for classification/regression
     score - The score assigned to the submission by a prior model
-    """"
+    """
     min_score=min(numpy.asarray(score))
     max_score=max(numpy.asarray(score))
     if algorithm == util_functions.AlgorithmTypes.classification: