python style fix

Author: yingjieMiao

python/pyspark/rdd.py

@@ -1074,9 +1074,9 @@ def take(self, num):
                 if len(items) == 0:
                     numPartsToTry = partsScanned * 4
                 else:
-                    #the first paramter of max is >=1 whenever partsScanned >= 2
-                    numPartsToTry = max(int(1.5 * num * partsScanned / len(items)) - partsScanned, 1)
-                    numPartsToTry = min(numPartsToTry, partsScanned * 4)
+                    # the first paramter of max is >=1 whenever partsScanned >= 2
+                    numPartsToTry = int(1.5 * num * partsScanned / len(items)) - partsScanned
+                    numPartsToTry = min(max(numPartsToTry, 1), partsScanned * 4)
 
             left = num - len(items)