Problem with iPgm parameters in python-itoolkit

small_test.py

from itoolkit import iToolKit, iCmd, iPgm, iData
from itoolkit.transport import DatabaseTransport

from localutils import odbc_connection  # uses pyodbc from my PC

def pgm1(trans):
    itool = iToolKit(irow=False)
    itool.clear()
    itool.add(iPgm('pgm1', 'XPGM1', {'lib': 'MYLIB'}))
    itool.call(trans)
    print(itool.dict_out('pgm1'))

def pgm2(trans, a, b):
    itool = iToolKit(irow=False)
    itool.clear()
    itool.add(iPgm('pgm2', 'XPGM2', {'lib': 'MYLIB'})
        .addParm(iData('in1', '3p0', str(a)))
        .addParm(iData('in2', '3p0', str(b)))
        .addParm(iData('out', '3p0', '')))
    itool.call(trans)
    print(itool.dict_out('pgm2'))

transport = DatabaseTransport(odbc_connection())

pgm1(transport)
pgm2(transport, 3, 5)
pgm1(transport)  # this fails

print('Done.')

XPGM1.rpgle

      *----------------------------------------------------------------*
     D var1            s              3  0 inz(1)                       
     D var2            s              3  0 inz(0)                       
     D var3            s              3  0                              
      *----------------------------------------------------------------*
     C                   if        %parms > 0                           
     C                   eval      var3 = var1/var2                     
     C                   endif                                          
     C                   return                                         
      *----------------------------------------------------------------*

XPGM2.rpgle

      *----------------------------------------------------------------*
     C     *entry        plist                                          
     C                   parm                    in1               3 0  
     C                   parm                    in2               3 0  
     C                   parm                    out               3 0  
     C                   eval      out = in1 * in2                      
     C                   return                                         
      *----------------------------------------------------------------*