[Bf-python] bpy.ops.sequencer??

[Ulf Enhörning]

Hello, I am developing Python scripts that use the *bpy.ops.sequencer*.
Several of the operators give the following error message:

*File “**C:\Program** files\Blender
Foundation\Blender\2.77\scripts\modules\bpy\ops.py, line 189, in __cal__*

*ret = op_call(self.idname_py(), None, kw)*

*RuntimeError: Operator bpy.ops.sequencer.effect_strip_add.poll() failed,
context is incorrect*

*Error: Python script fail, look in the console for now...*

Here are a few of the operators that yield the above error message:

bpy.ops.sequencer.*effect_strip_add(type='CROSS')*
bpy.ops.sequencer*.duplicate(mode='TRANSLATION')*
bpy.ops.sequencer*.paste()*
bpy.ops.sequencer*.select()*
bpy.ops.sequencer*.next_edit()*

I would be very grateful to any suggestions that could help me solve this
so I can be on my way in writing interesting scripts!

Sincerely, Ulf Enhörning
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