Requirement already satisfied, skipping upgrade: voc>=0.1.1 in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from briefcase) (0.1.6)
Requirement already satisfied, skipping upgrade: urllib3<1.24 in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from briefcase) (1.22)
Requirement already satisfied, skipping upgrade: pip>=18.0 in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from briefcase) (19.0.3)
Requirement already satisfied, skipping upgrade: cookiecutter>=1.0 in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from briefcase) (1.6.0)
Requirement already satisfied, skipping upgrade: setuptools>=40.0 in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from briefcase) (40.8.0)
Requirement already satisfied, skipping upgrade: requests<3.0 in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from briefcase) (2.18.4)
Requirement already satisfied, skipping upgrade: boto3>=1.4.4 in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from briefcase) (1.9.116)
Requirement already satisfied, skipping upgrade: future>=0.15.2 in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from cookiecutter>=1.0->briefcase) (0.17.1)
Requirement already satisfied, skipping upgrade: jinja2-time>=0.1.0 in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from cookiecutter>=1.0->briefcase) (0.2.0)
Requirement already satisfied, skipping upgrade: jinja2>=2.7 in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from cookiecutter>=1.0->briefcase) (2.10)
Requirement already satisfied, skipping upgrade: binaryornot>=0.2.0 in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from cookiecutter>=1.0->briefcase) (0.4.4)
Requirement already satisfied, skipping upgrade: whichcraft>=0.4.0 in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from cookiecutter>=1.0->briefcase) (0.5.2)
Requirement already satisfied, skipping upgrade: poyo>=0.1.0 in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from cookiecutter>=1.0->briefcase) (0.4.2)
Requirement already satisfied, skipping upgrade: click>=5.0 in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from cookiecutter>=1.0->briefcase) (7.0)
Requirement already satisfied, skipping upgrade: idna<2.7,>=2.5 in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from requests<3.0->briefcase) (2.6)
Requirement already satisfied, skipping upgrade: chardet<3.1.0,>=3.0.2 in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from requests<3.0->briefcase) (3.0.4)
Requirement already satisfied, skipping upgrade: certifi>=2017.4.17 in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from requests<3.0->briefcase) (2017.11.5)
Requirement already satisfied, skipping upgrade: botocore<1.13.0,>=1.12.116 in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from boto3>=1.4.4->briefcase) (1.12.116)
Requirement already satisfied, skipping upgrade: jmespath<1.0.0,>=0.7.1 in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from boto3>=1.4.4->briefcase) (0.9.4)
Requirement already satisfied, skipping upgrade: s3transfer<0.3.0,>=0.2.0 in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from boto3>=1.4.4->briefcase) (0.2.0)
Requirement already satisfied, skipping upgrade: arrow in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from jinja2-time>=0.1.0->cookiecutter>=1.0->briefcase) (0.13.1)
Requirement already satisfied, skipping upgrade: MarkupSafe>=0.23 in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from jinja2>=2.7->cookiecutter>=1.0->briefcase) (1.1.0)
Requirement already satisfied, skipping upgrade: python-dateutil<3.0.0,>=2.1; python_version >= "2.7" in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from botocore<1.13.0,>=1.12.116->boto3>=1.4.4->briefcase) (2.7.5)
Requirement already satisfied, skipping upgrade: docutils>=0.10 in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from botocore<1.13.0,>=1.12.116->boto3>=1.4.4->briefcase) (0.14)
Requirement already satisfied, skipping upgrade: six>=1.5 in c:\users\aryan\appdata\local\programs\python\python36\lib\site-packages (from python-dateutil<3.0.0,>=2.1; python_version >= "2.7"->botocore<1.13.0,>=1.12.116->boto3>=1.4.4->briefcase) (1.11.0)
I also attached whole project directory.
Thanks for any help,