diff --git a/Makefile b/Makefile
index 9414a0b..e5dca74 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ IGNORE_ERRORS = E501,F401,F403,F405
 PKG = mathgenerator
 
 format:
-	python -m autopep8 --ignore=$(IGNORE_ERRORS) -i $(PKG)/*
+	python -m autopep8 --ignore=$(IGNORE_ERRORS) -ir $(PKG)/*
 
 lint:
 	python -m flake8 --ignore=$(IGNORE_ERRORS) $(PKG)
diff --git a/mathgenerator/funcs/angleBtwVectorsFunc.py b/mathgenerator/funcs/angleBtwVectorsFunc.py
index b02b496..927ca38 100644
--- a/mathgenerator/funcs/angleBtwVectorsFunc.py
+++ b/mathgenerator/funcs/angleBtwVectorsFunc.py
@@ -3,18 +3,18 @@ from .__init__ import *
 
 def angleBtwVectorsFunc(maxEltAmt=20):
     s = 0
-    v1 = [random.uniform(0, 1000) for i in range(random.randint(2,maxEltAmt))]
+    v1 = [random.uniform(0, 1000) for i in range(random.randint(2, maxEltAmt))]
     v2 = [random.uniform(0, 1000) for i in v1]
     for i in v1:
         for j in v2:
             s += i * j
 
-    mags =  math.sqrt(sum([i**2 for i in v1])) *  math.sqrt(sum([i**2 for i in v2]))
+    mags = math.sqrt(sum([i**2 for i in v1])) * math.sqrt(sum([i**2 for i in v2]))
     problem = f"angle between the vectors {v1} and {v2} is:"
     solution = ''
     try:
         solution = str(math.acos(s / mags))
-    except:
+    except MathDomainError:
         print('angleBtwVectorsFunc has some issues with math module, line 16')
         solution = 'NaN'
     # would return the answer in radians
diff --git a/mathgenerator/funcs/euclidianNormFunc.py b/mathgenerator/funcs/euclidianNormFunc.py
index 6a414a9..28c85c5 100644
--- a/mathgenerator/funcs/euclidianNormFunc.py
+++ b/mathgenerator/funcs/euclidianNormFunc.py
@@ -2,7 +2,7 @@ from .__init__ import *
 
 
 def euclidianNormFunc(maxEltAmt=20):
-    vec = [random.uniform(0, 1000) for i in range(random.randint(2,maxEltAmt))]
+    vec = [random.uniform(0, 1000) for i in range(random.randint(2, maxEltAmt))]
     problem = f"Euclidian norm or L2 norm of the vector{vec} is:"
     solution = math.sqrt(sum([i**2 for i in vec]))
     return problem, solution