Find all lines of import packages and files in a python file

find_imported_files.py

pyfile = open("sample.py")
ml = False  # multiline import flag

for line in pyfile:
    line = line.strip()

    if line.startswith("import"):
        print(line)

    elif line.startswith("from"):
        if line.find("(") >= 0:
            ml = True
        else:
            print(line)

    if ml is True:
        print(line, end=" ")

    if line.find(")") >= 0 and ml is True:
        print()

    if line.find(")") >= 0:
        ml = False