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Extra Space Horizontally in Line Plot

I’m plotting a simple line chart using the following code:

fig = px.line(day_pnl, x = "Date", y = "Pnl", color = "Name")
fig.update_layout(xaxis_type='category')
fig.update_traces(mode='markers+lines')

The result of this looks like this:

I don’t know why I’m getting this extra space on the left and right outside the max dates in the plot. The result is the exact same if I add:

fig.update_layout(xaxis_range = [ day_pnl.Date.min(), day_pnl.Date.max()])

after the above 3 lines. I can’t figure out why this space is being included or how to remove it.