lint fixes

mathgenerator/funcs/basic_math/cube_root.py

@@ -6,8 +6,7 @@ def cubeRootFunc(minNo=1, maxNo=1000, format='string'):
     a = b**(1 / 3)
 
     if format == 'string':
-        return ("What is the cube root of " + str(b) +
-                " up to 2 decimal places?", str(round(a, 2)))
+        return "What is the cube root of " + str(b) + " up to 2 decimal places?", str(round(a, 2))
     elif format == 'latex':
         return (f"\\(\\sqrt[3]{{{b}}}=\\)", "\\(" + str(round(a, 2)) + "\\)")
     else:

mathgenerator/funcs/basic_math/divide_fractions.py

@@ -32,14 +32,14 @@ def divideFractionsFunc(maxVal=10, format='string'):
     if format == 'string':
         return f"({a}/{b})/({c}/{d})", x
     elif format == 'latex':
+        problem = "\\(\\frac{" + str(a) + "}{" + str(b) + \
+            "}\\div\\frac{" + str(c) + "}{" + str(d) + "}=\\)"
         if tmp_d == 1 or tmp_d == gcd:
             solution = "\\(" + str(sol_numerator) + "\\)"
         else:
             solution = "\\(\\frac{" + str(sol_numerator) + \
                 "}{" + str(sol_denominator) + "}\\)"
-        return ("\\(\\frac{" + str(a) + "}{" + str(b) + \
-            "}\\div\\frac{" + str(c) + "}{" + str(d) + "}=\\)",
-            solution)
+        return problem, solution
     else:
         return a, b, c, d, x
 

mathgenerator/funcs/calculus/stationary_points.py

@@ -11,7 +11,7 @@ def stationaryPointsFunc(maxExp=3, maxCoef=10, format='string'):
             problem += coefficient * pow(x, exp)
         solution = sympy.stationary_points(problem, x)
 
-        #if len(solution) != 0:
+        # if len(solution) != 0:
         solution = ','.join(
             '({},{})'.format(str(p), sympy.sympify(problem.replace(x, p)))
             for p in solution)

mathgenerator/funcs/computer_science/nth_fibonacci_number.py

@@ -7,8 +7,7 @@ def nthFibonacciNumberFunc(maxN=100, format='string'):
     golden_ratio = (1 + math.sqrt(5)) / 2
     n = random.randint(1, maxN)
     problem = f"What is the {n}th Fibonacci number?"
-    ans = round((math.pow(golden_ratio, n) - math.pow(-golden_ratio, -n)) /
-                (math.sqrt(5)))
+    ans = int((math.pow(golden_ratio, n) - math.pow(-golden_ratio, -n)) / (math.sqrt(5)))
 
     if format == 'string':
         solution = f"{ans}"

mathgenerator/funcs/misc/decimal_to_roman_numerals.py

@@ -26,8 +26,7 @@ def decimalToRomanNumeralsFunc(maxDecimal=4000, format='string'):
         elif last_value == 4:
             solution += (roman_dict[divisor] + roman_dict[divisor * 5])
         elif 5 <= last_value <= 8:
-            solution += (roman_dict[divisor * 5] + (roman_dict[divisor] *
-                                                    (last_value - 5)))
+            solution += (roman_dict[divisor * 5] + (roman_dict[divisor] * (last_value - 5)))
         elif last_value == 9:
             solution += (roman_dict[divisor] + roman_dict[divisor * 10])
         x = math.floor(x % divisor)

mathgenerator/funcs/misc/quotient_of_power_same_base.py

@@ -10,7 +10,7 @@ def quotientOfPowerSameBaseFunc(maxBase=50, maxPower=10, format='string'):
 
     if format == 'string':
         problem = f"The Quotient of {base}^{power1} and {base}^{power2} = " \
-              f"{base}^({power1}-{power2}) = {base}^{step}"
+            f"{base}^({power1}-{power2}) = {base}^{step}"
         return problem, str(solution)
     else:
         return base, power1, power2, step, solution

mathgenerator/funcs/misc/quotient_of_power_same_power.py

@@ -10,7 +10,7 @@ def quotientOfPowerSamePowerFunc(maxBase=50, maxPower=10, format='string'):
 
     if format == 'string':
         problem = f"The Quotient of {base1}^{power} and {base2}^{power} = " \
-              f"({base1}/{base2})^{power} = {step}^{power}"
+            f"({base1}/{base2})^{power} = {step}^{power}"
         return problem, str(solution)
     else:
         return base1, base2, power, step, solution

mathgenerator/funcs/statistics/conditional_probability.py

@@ -19,9 +19,9 @@ def conditionalProbFunc(format='string'):
 
     if format == 'string':
         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)
+            "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)
         solution = str(answer) + "%"
         return problem, solution
     else: