From 5e045cc1196a9ef533e3bfbf31ec9981377394a3 Mon Sep 17 00:00:00 2001
From: Sourcery AI <>
Date: Wed, 25 May 2022 17:48:10 +0000
Subject: [PATCH] 'Refactored by Sourcery'

---
 src/pyflask/api.py  | 7 ++-----
 src/pyflask/calc.py | 8 ++++----
 2 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/src/pyflask/api.py b/src/pyflask/api.py
index 5287b80..b9685ae 100644
--- a/src/pyflask/api.py
+++ b/src/pyflask/api.py
@@ -28,8 +28,7 @@ class HelloWorld(Resource):
     @api.response(200, "Success")
     @api.response(400, "Validation Error")
     def get(self):
-        response = "Server active!!"
-        return response
+        return "Server active!!"
 
 
 # Request parser documentation can be found here: https://flask-restx.readthedocs.io/en/latest/parsing.html
@@ -58,10 +57,8 @@ def post(self):
 
         args = parser.parse_args()
         formula = args["expression"]
-        response = str(calc(formula))
-
         # restx will automatically jsonify dictionaries. You don't need to import the jsonify method from flask
-        return response
+        return str(calc(formula))
 
 
 # 5000 is the flask default port. You can change it to something else if you want.
diff --git a/src/pyflask/calc.py b/src/pyflask/calc.py
index 12e40b0..56f75bc 100644
--- a/src/pyflask/calc.py
+++ b/src/pyflask/calc.py
@@ -57,7 +57,7 @@ def calc(s):
             if isUnary:
                 opStk.append('#')
             else:
-                while (len(opStk) > 0):
+                while opStk:
                     if ((getAssoc(s[i]) == "LEFT" and getPrec(s[i]) <= getPrec(opStk[-1])) or 
                         (getAssoc(s[i]) == "RIGHT" and getPrec(s[i]) < getPrec(opStk[-1]))):
                         op = opStk.pop()
@@ -75,7 +75,7 @@ def calc(s):
             opStk.append(s[i])
             isUnary = True
         else:
-            while (len(opStk) > 0):
+            while opStk:
                 op = opStk.pop()
                 if (op == '('):
                     break
@@ -87,7 +87,7 @@ def calc(s):
                     numStk.append(getBin(op, a, b))
         i += 1
 
-    while (len(opStk) > 0):
+    while opStk:
         op = opStk.pop()
         if op == '#':
             numStk.append(-numStk.pop())
@@ -114,5 +114,5 @@ def calc(s):
     ]
     for s in ss:
         res = calc(s)
-        print('{} = {}'.format(res, s))
+        print(f'{res} = {s}')
     
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