serverless-package-python-functions patch for pip upgrade and aws invoke local

gistfile1.txt

121a122,124
>       this.log('Upgrading pip inside the container.')
>       this.runProcess('docker', ['exec', this.containerName, 'pip', 'install', '--upgrade', 'pip'])
>       this.log('Pip upgrade finished.')
166a170,187
>   loadEnvVars() {
>     let pythonPath = ''
>     if (this.globalIncludes) {
>       this.log(`Adding global includes to the python path: ${this.globalIncludes}`)
>       pythonPath += `:${this.globalIncludes}`
>     }
> 
>     if (this.options.f) {
>       pythonPath += `:${this.options.f}`
> 
>       if (this.serverless.service.functions[this.options.f].package.include) {
>         this.serverless.service.functions[this.options.f].package.include.forEach(
>           (item) => {pythonPath += `:${item}`})
>       }
>     }
>     process.env['PYTHONPATH'] = pythonPath
>   }
> 
181c202,205
<         .then(this.clean)
---
>         .then(this.clean),
> 
>       'invoke:local:loadEnvVars': () => BbPromise.bind(this)
>         .then(this.fetchConfig).then(this.loadEnvVars),

Just patch your installation and you are good to go:

patch node_modules/serverless-package-python-functions/index.js sls.patch

Related Github issue: ubaniabalogun/serverless-package-python-functions#26

Edit: I have used the following commit to create the above patch:
ubaniabalogun/serverless-package-python-functions@917d4ce