关于python:isInstance不输出任何内容

isinstance not outputting anything

我的代码在使用isinstance时没有输出任何内容。这显示在代码末尾。我试着输入year 1和tla_2=1，没有输出。我的身份声明有错吗？我是因为循环错误吗？

1 2	output = 'From Bus #: {}\tTo Bus #: {}\tTo Bus #: {}\t Area Station: {}\t VMIN: {} pu\tVMAX: {} pu\t' print(output.format(from_, to,name2, min_value, max_value,last_bus))

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from __future__ import print_function
import os.path
import win32com.client

#---------------------------------------------------------------------------------------------------------------------
xlApp = win32com.client.DispatchEx('Excel.Application') # Running Excel
xlsPath = os.path.expanduser('C:\Users
oszkowskiM\Desktop\UPDATED_LOAD_FORECAST_4.xlsm')# Reading xlsm file
wb = xlApp.Workbooks.Open(Filename=xlsPath) # Opening file
xlApp.Run('csvfile2')# Running macro---- csvfile2 is the macro name. It is under the"csv" module in the VBA editor
wb.Save()
xlApp.Quit()
#---------------------------------------------------------------------------------------------------------------------
# WHEN RUNNING THE PROGRAM, MAKE SURE THE CSV FILE IS NOT OPEN.

# THIS WILL PRODUCE AN ERROR WITH READING AND RUNNING THE MACRO.

# THE EXCEL WORKBOOK CAN BE OPEN WHEN RUNNING THE PROGRAM

import os, sys
#--------------------------------------------------------------------------
#PSSE_LOCATION = r"C:\Program Files (x86)\PTI\PSSE33\PSSBIN" #Locating PSSE
#sys.path.append(PSSE_LOCATION)
#os.environ['PATH'] = os.environ['PATH'] + ';' + PSSE_LOCATION
#--------------------------------------------------------------------------

#----------------------------------------------------------------------------------------------------------------
#import psspy
#import redirect
import csv
#psspy.throwPsseExceptions = True
from Tkinter import * # File Dialog
import tkFileDialog
import tkSimpleDialog
import tkMessageBox
import Tkinter as tk

#Pop up window for picking file on PSSE
#root = tk.Tk()
#root.withdraw()
#tkMessageBox.showinfo("Welcome","Please select case:")
#root.fileName= tkFileDialog.askopenfilename( filetypes = ( ("PSSE CASES","*.sav"), ("PSSE CASES","*.raw*") ) )
#STUDY_CASE=root.fileName

#psspy.psseinit(10000) # Intialize PSSE
#psspy.case(STUDY_CASE) # Upload Case

LOAD_GEN_DATAFILE = 'C:\Users
M\Desktop\Data_2017.csv' # CSV File to Read

# read the entire CSV into Python.
# CSV has columns starting with Year,busnum,busname,scaled_power,tla,location,empty,year_link,from_,to,digit,min_value,max_value,last_bus
#-------------------------------------------------------------------------------
# read the entire CSV into Python.
# CSV has columns starting with Year,busnum,busname,scaled_power,tla,location
data = list(csv.reader(open(LOAD_GEN_DATAFILE)))
mydict = {}
for row in data:
Year,busnum,busname,scaled_power,tla,data_location,empty,year_link,from_,to,digit,name2,tla_2,min_value,max_value,last_bus = row[0:16]

#If this is a year not seen before, add it to the dictionary
if Year not in mydict:
mydict[Year] = {}

busses_in_year = mydict[Year]
if data_location not in busses_in_year:
busses_in_year[data_location] = []

#Add the bus to the list of busses that stop at this location
busses_in_year[data_location].append((busnum,busname,scaled_power))
#-------------------------------------------------------------------------------

#-------------------------------------------------------------------------------------------------------------------------------------
#User Input Statement

year = raw_input("Please Select Year of Study:")

print("
")

location=raw_input("
The list above show the TLA Pockets as well as the ID numbers assigned to them ()

Please enter the ID #:")
#psspy.prompt_output(islct = 6)
print("
")
Year=year
data_location=location
#---------------------------------------------------------------------------------------------------------------------------------------

#-------------------------------------------------LOAD FORECASTS--------------------------------------------------------------------
if Year in mydict and data_location in mydict[Year]:
busses_in_year = mydict[Year]
#print("Here are all the busses at that location for that year and the new LOAD TOTAL:")
#print("
")

#Busnum, busname,scaled_power read from excel sheet matching year and location

for busnum,busname,scaled_power in busses_in_year[data_location]:
scaled_power= float(scaled_power)
busnum = int(busnum)
output='Bus #: {}\t Area Station: {}\t New Load Total: {} MW\t'
print(output.format(busnum,busname,scaled_power))
#psspy.bsys(1,0,[0.0,0.0],0,[],1,[busnum],0,[],0,[])
#psspy.scal_2(1,0,1,[0,0,0,0,0],[0.0,0.0,0.0,0.0,0.0,0.0,0.0])
#psspy.scal_2(0,1,2,[0,1,0,1,0],[scaled_power,0.0,0,-.0,0.0,-.0,0])

else:
exit
#-------------------------------------------------LOAD FORECASTS--------------------------------------------------------------------

#------------------------------------------------VOLTAGE ENVLOPES---------------------------------------------------------------------------------------------------------------------------------

for row in data:
year_link, from_,to,digit,name2,tla_2,min_value,max_value,last_bus = row[7:16]
output = 'From Bus #: {}\tTo Bus #: {}\t Area Station: {}\t VMIN: {} pu\tVMAX: {} pu\t'
if year_link == year and tla_2==location:
from_=int(from_)
to=int(to)
min_value=float(min_value)
max_value=float(max_value)
digit=int(digit)

print(output.format(from_, to,name2, min_value, max_value))
#_c=psspy.getdefaultchar()
#_i=psspy.getdefaultint()
#_f=psspy.getdefaultreal()
#psspy.two_winding_chng_4(from_,to,'%d'% digit,[_i,_i,_i,_i,_i,_i,_i,_i,_i,_i,_i,_i,_i,_i,_i],[_f,_f,_f,_f,_f,_f,_f,_f,_f,_f,_f,_f,_f,_f,_f,_f,_f,_f,_f, max_value, min_value,_f,_f,_f],[])
else:
exit
for row in data:
year_link, from_,to,digit,name2,tla_2,min_value,max_value,last_bus = row[7:16]
if year_link==year and tla_2==location and isinstance(last_bus, int):
output = 'From Bus #: {}\tTo Bus #: {}\tLast Bus #: {}\t Area Station: {}\t VMIN: {} pu\tVMAX: {} pu\t'
print(output.format(from_, to,name2, min_value, max_value,last_bus))
min_value=float(min_value)
max_value=float(max_value)
#psspy.three_wnd_winding_data_3(from_,to,last_bus,r"""1""",1,[_i,_i,_i,_i,_i],[_f,_f,_f,_f,_f,_f,_f,_f, max_value, min_value,_f,_f,_f])
else:
exit

#------------------------------------------------VOLTAGE ENVLOPES----------------------------------------------------------------------------------------------------------------------------------

os.remove(LOAD_GEN_DATAFILE)