Accessing scope.id is deprecated

**Describe the bug**
Following warning is thrown when plot() is called with Plots on Jupyter notebook.
Warning: Accessing scope.id is deprecated; use scopeid(scope) instead.
│ caller = ip:0x0
└ @ Core :-1

**Version info**

Please provide the following:

1. output of julia command `versioninfo()`
> Julia Version 1.1.1
> Commit 55e36cc308 (2019-05-16 04:10 UTC)
> Platform Info:
> OS: Windows (x86_64-w64-mingw32)
> CPU: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz
> WORD_SIZE: 64
> LIBM: libopenlibm
> LLVM: libLLVM-6.0.1 (ORCJIT, skylake)

2. Output running the following in Julia 0.7 or greater: `using Pkg; pkg"status"` (if you are on Julia 0.6 or earlier run `Pkg.status()`)
> Status `C:\Users\Dhruva Sambrani\.julia\environments\v1.1\Project.toml`
> [7073ff75] IJulia v1.18.1
> [47be7bcc] ORCA v0.2.1
> [f0f68f2c] PlotlyJS v0.12.4
> [91a5bcdd] Plots v0.25.1
> [0f1e0344] WebIO v0.8.4