ImportError: No module named RevitServices

hello everyone,when i improt the RevitServices module,i get a error like this:
error1
i’m sure that i have the dll file in my disk:
C:\Program Files\Dynamo\Dynamo Revit\2\Revit_2018\RevitServices.dll
and this my python code:

Import ProtoGeo

import clr
clr.AddReference(‘ProtoGeometry’)
from Autodesk.DesignScript.Geometry import *

Import RevitAPI

clr.AddReference(“RevitAPI”)
import Autodesk
from Autodesk.Revit.DB import *

Import DocumentManager and TransactionManager

clr.AddReference(“RevitServices”)
import RevitServices
from RevitServices.Persistence import DocumentManager
from RevitServices.Transactions import TransactionManager

Import ToDSType(bool) extension method

clr.AddReference(“RevitNodes”)
import Revit
clr.ImportExtensions(Revit.Elements)
clr.ImportExtensions(Revit.GeometryConversion)

doc = DocumentManager.Instance.CurrentDBDocument
app = DocumentManager.Instance.CurrentUIApplication.Application

#room list
roomElements = UnwrapElement(IN[0])

#Variables for collecting list
roomElems =
roomLocations =
roomNumbers =
roomNone =

for item in roomElements:

if area is placed then get stuff

if item.Area > 0:
    location = item.Location.Point.ToPoint()

    # assign your stuff to lists	
    roomElems.append(item)
    roomNumbers.append(item.Number)
    roomLocations.append(location)
else:
        roomNone.append("Rooms not Placed")

List your stuff to the OUT variablez

OUT = roomElems, roomNumbers, roomLocations

i don’t know how to solve this issue,and i hope to get some help,thanks very much:smiley:

I met the same problem. Have you found any solutions

可能是插件引起的,在导入是添加路径就可以了。代码如下:
import sys
sys.path.append(r’C:\Program Files\Dynamo\Dynamo Revit\2\Revit_2019’)
clr.AddReference(‘RevitServices.dll’)
import RevitServices
from RevitServices.Persistence import DocumentManager
from RevitServices.Transactions import TransactionManager

Watch the double vs single quotes and make sure the quotes are correct if your copying and pasting from the web.

https://primer.dynamobim.org/10_Custom-Nodes/10-6_Python-Templates.html

It fixed my problem.Thanks