diff --git a/pybloqs/block/image.py b/pybloqs/block/image.py
index fa4853f..012b620 100644
--- a/pybloqs/block/image.py
+++ b/pybloqs/block/image.py
@@ -261,7 +261,7 @@ def __init__(self, contents, plotly_kwargs=None, **kwargs):
raise ValueError("Expected plotly.graph_objs.graph_objs.Figure type but got %s", type(contents))
plotly_kwargs = plotly_kwargs or {}
- prefix = ""
+ prefix = ""
self._contents = prefix + po.plot(contents, include_plotlyjs=False, output_type='div', **plotly_kwargs)
def _write_contents(self, container, *args, **kwargs):