root@vps4:~/DCustomRPC# py -m pip install -r requirements.txt
-bash: py: command not found
root@vps4:~/DCustomRPC# python -m pip install -r requirements.txt
/usr/local/lib/python2.7/dist-packages/pip/_vendor/requests/__init__.py:83: RequestsDependencyWarning: Old version of cryptography ([1, 2, 3]) may cause slowdown.
  warnings.warn(warning, RequestsDependencyWarning)
Collecting pypresence (from -r requirements.txt (line 1))
  Downloading https://files.pythonhosted.org/packages/ab/10/e620612642640c6309932bedab97ebcac4e7b1f805f24f274108812a60df/pypresence-3.0.0.tar.gz
Collecting ruamel.yaml<=0.15.7 (from -r requirements.txt (line 2))
  Downloading https://files.pythonhosted.org/packages/ed/89/f212898b37c6dfe79277891a5127aa94f3fe8fe8d52499b2a186493d752b/ruamel.yaml-0.15.7-cp27-cp27mu-manylinux1_x86_64.whl (526kB)
    100% |################################| 532kB 5.1MB/s
Requirement already satisfied: pillow in /usr/lib/python2.7/dist-packages (from -r requirements.txt (line 3)) (3.1.2)
Collecting pystray (from -r requirements.txt (line 4))
  Downloading https://files.pythonhosted.org/packages/0e/e3/53da889f1bc7b43f215d9ce8e0886f09d4aaa1a7b35e413a6d263fdfe34f/pystray-0.14.4-py2.py3-none-any.whl
Requirement already satisfied: requests in /usr/local/lib/python2.7/dist-packages (from -r requirements.txt (line 5)) (2.19.1)
Collecting ruamel.ordereddict; platform_python_implementation == "CPython" and python_version <= "2.7" (from ruamel.yaml<=0.15.7->-r requirements.txt (line 2))
  Downloading https://files.pythonhosted.org/packages/f3/2c/fa6d75dc459b371ed3b88fdbf8042785ce1655073c884fd97bdbb9f48e01/ruamel.ordereddict-0.4.13-cp27-cp27mu-manylinux1_x86_64.whl (99kB)
    100% |################################| 102kB 6.4MB/s
Requirement already satisfied: six in /usr/lib/python2.7/dist-packages (from pystray->-r requirements.txt (line 4)) (1.10.0)
Requirement already satisfied: certifi>=2017.4.17 in /usr/local/lib/python2.7/dist-packages (from requests->-r requirements.txt (line 5)) (2018.4.16)
Requirement already satisfied: chardet<3.1.0,>=3.0.2 in /usr/local/lib/python2.7/dist-packages (from requests->-r requirements.txt (line 5)) (3.0.4)
Requirement already satisfied: urllib3<1.24,>=1.21.1 in /usr/local/lib/python2.7/dist-packages (from requests->-r requirements.txt (line 5)) (1.23)
Requirement already satisfied: idna<2.8,>=2.5 in /usr/local/lib/python2.7/dist-packages (from requests->-r requirements.txt (line 5)) (2.7)
Building wheels for collected packages: pypresence
  Running setup.py bdist_wheel for pypresence ... done
  Stored in directory: /root/.cache/pip/wheels/a4/85/76/a273343c4856893f3386df40a7f44e98bf6cdd525b45b6a34b
Successfully built pypresence
Installing collected packages: pypresence, ruamel.ordereddict, ruamel.yaml, pystray
Successfully installed pypresence-3.0.0 pystray-0.14.4 ruamel.ordereddict-0.4.13 ruamel.yaml-0.15.7
You are using pip version 18.0, however version 18.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
root@vps4:~/DCustomRPC# py dcustomrpc.pyw
-bash: py: command not found
root@vps4:~/DCustomRPC# python dcustomrpc.pyw
  File "dcustomrpc.pyw", line 46
    def dict2class(_dict: dict):
                        ^
SyntaxError: invalid syntax
root@vps4:~/DCustomRPC#