00e131977b4e2cbe134f8832f3fbac7940644586,beginner_source/hybrid_frontend/introduction_to_hybrid_frontend_tutorial.py,,,#,185

Before Change

//

url = "https://archive.ics.uci.edu/ml/machine-learning-databases/iris/iris.data"   // url to data
filename = os.path.join("data", url.split("/")[-1])

// Download file if it doesn"t already exist
if not os.path.exists(filename):
    os.makedirs("data")
    print("Downloading...")
    wget.download(url, filename)
    print("Download complete!")
else:

After Change

filename = "data/iris.data"

// Print 10 random lines
try:
    datafile = open(filename, "r")
except IOError:
    print("Cannot open data file: {}. Have you downloaded it yet?".format(filename))
    exit()
lines = datafile.readlines()
// Last line in file is empty, we"ll deal with this later
lines = lines[:-1]
random.shuffle(lines)

Instances