import SSH
from tkinter import *

hostname = 'blah'
username = 'blah'
password = 'blah'

class mymain:

    def __init__(self, master):
    self.master = master
    master.title("Bunch of GUI stuff that doesn't matter for this issue")

     def ver92(self):
    connection = SSH.SSH(hostname, username, password)
    connection.sendCommandOld('cd {}/xxx/xx/ && source .cshrc && cd xxx/xxxx/xxx/ && ./bashscriptname'.format(path), var1, var2, var3)

from paramiko import client
class SSH:
client = None

def __init__(self, address, username, password):
    print("Login info sent.")
    print("Connecting to server.")
    self.client = client.SSHClient()    # Create a new SSH client
    self.client.set_missing_host_key_policy(client.AutoAddPolicy())
    self.client.connect(address, username=username, password=password, look_for_keys=False) # connect

def sendCommandOld(self, command, var1, var2):
    print("Sending your command")
    # Check in connection is made previously
    if (self.client):
        stdin, stdout, stderr = self.client.exec_command(command)
        stdin.write(var1 + 'n')  # get input to bash
        stdin.write(var2 + 'n')
        stdin.flush()
        while not stdout.channel.exit_status_ready():
            # Print stdout data when available
            if stdout.channel.recv_ready():
                # Retrieve the first 1024 bytes
                alldata = stdout.channel.recv(2048)
                while stdout.channel.recv_ready():
                    # Retrieve the next 1024 bytes
                    alldata += stdout.channel.recv(1024)

                # Print as string with utf8 encoding
                print(str(alldata, "utf8"))

        print('stdout: ', stdout.read())
        print('stderr: ', stderr.read())

    else:
        print("Connection not opened.")