fixing linter errors

.vscode/settings.json

@@ -0,0 +1,5 @@
+{
+    "python.linting.pylintEnabled": false,
+    "python.linting.flake8Enabled": true,
+    "python.linting.enabled": true
+}

mathgenerator/funcs/conditionalProbability.py

@@ -1,5 +1,6 @@
 from .__init__ import *
 
+
 def conditionalProbFunc():
     P_disease = round(2. * random.random(), 2)
     true_positive = round(random.random() + float(random.randint(90, 99)), 2)
@@ -8,7 +9,6 @@ def conditionalProbFunc():
     def BayesFormula(P_disease, true_positive, true_negative):
         P_notDisease = 100. - P_disease
         false_positive = 100. - true_negative
-        false_negative= 100.-false_positive
         P_plus = (P_disease) * (true_positive) + (P_notDisease) * (false_positive)
         P_disease_plus = ((true_positive) * (100 * P_disease)) / P_plus
 
@@ -17,9 +17,9 @@ def conditionalProbFunc():
     problem = "Someone tested positive for a nasty disease which only {0:.2f}% of population have. " \
     "Test sensitivity (true positive) is equal to SN= {1:.2f}% whereas test specificity (true negative) SP= {2:.2f}%. " \
     "What is the probability that this guy really has that disease?".format(P_disease, true_positive, true_negative)
-    
     answer = str(round(BayesFormula(P_disease, true_positive, true_negative), 2)) + "%"
 
     return problem, answer
 
+
 conditionalProb = Generator("Conditional Probability", 101, "P(A|+)=", "c", conditionalProbFunc)