the big format

app/lib/irt/test_response_function.py

@@ -1,20 +1,23 @@
 from lib.irt.item_response_function import ItemResponseFunction
 
+
 # otherwise known as the Test Characteristic Curve (TCC)
 class TestResponseFunction():
-  def __init__(self, irt_model):
-    self.irt_model = irt_model
-    self.irf = ItemResponseFunction(irt_model)
 
-  # determins the probably of an inidividual
-  # at a certain theta (ability level) would get a sum of questions correct
-  # detailed further on page 166, equation 3 here:
-  # https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5978482/pdf/10.1177_0146621615613308.pdf
-  def calculate(self, items, **kwargs):
-    sum = 0
+    def __init__(self, irt_model):
+        self.irt_model = irt_model
+        self.irf = ItemResponseFunction(irt_model)
 
-    for item in items:
-      result = self.irf.calculate(b_param=item.b_param, theta=kwargs['theta'])
-      sum += result
+    # determins the probably of an inidividual
+    # at a certain theta (ability level) would get a sum of questions correct
+    # detailed further on page 166, equation 3 here:
+    # https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5978482/pdf/10.1177_0146621615613308.pdf
+    def calculate(self, items, **kwargs):
+        sum = 0
 
-    return sum
+        for item in items:
+            result = self.irf.calculate(b_param=item.b_param,
+                                        theta=kwargs['theta'])
+            sum += result
+
+        return sum