[Ironpython-users] Error when trying to call a python file that imports nltk

surangika ranathunga lady_radsu at yahoo.com
Wed Feb 29 23:12:16 CET 2012

Hi all,
I have been using Ironpython for a while and it has been working fine for me.
 now I have to call a python function that makes use of the nltk 
module.When trying to call this python function from my c# code using 
Ironpython, I get the following error:
IronPython.Runtime.Exceptions.ImportException: No module named nltk
   at Microsoft.Scripting.Runtime.LightExceptions.CheckAndThrow(Object value)
   at Microsoft.Scripting.Interpreter.FuncCallInstruction`2.Run(InterpretedFrame
   at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.LightLambda.Run2[T0,T1,TRet](T0 arg0, T1 a
   at IronPython.Compiler.PythonScriptCode.RunWorker(CodeContext ctx)
 IronPython.Compiler.PythonScriptCode.Run(Scope scope)
   at IronPython.Compiler.RuntimeScriptCode.InvokeTarget(Scope scope)
   at IronPython.Compiler.RuntimeScriptCode.Run(Scope scope)
   at Microsoft.Scripting.SourceUnit.Execute(Scope scope, ErrorSink errorSink)
   at Microsoft.Scripting.Hosting.ScriptSource.Execute(ScriptScope scope)
   at Microsoft.Scripting.Hosting.ScriptEngine.ExecuteFile(String path)
   at Microsoft.Scripting.Hosting.ScriptRuntime.ExecuteFile(String path)
   at Microsoft.Scripting.Hosting.ScriptRuntime.UseFile(String path)
   at readerwriterforOVH.Program.Main(String[] args) in D:\PhD Work\Research\lib
omv\test\readerwriterforOVH\readerwriterforOVH\Program.cs:line 105

 like this is a common problem; something related to a module names 
'subprocess'. However, I could not find any definite solution.

So, any
 help on this is appreciated.

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