message: Import child_process as cp
diff: @@ -2,7 +2,7 @@ import * as vscode from 'vscode'
  import * as path from 'path'
  import * as fs from 'fs'
  import * as fse from 'fs-extra'
  -import * as child_process from 'child_process'
  +import * as cp from 'child_process'
  import { tmpdir } from 'os'
  import { promisify } from 'util'
  @@ -188,7 +188,7 @@ export class TikzPictureView {
  const startTime = +new Date()
  try {
  - child_process.execSync(
  + cp.execSync(
  `latexmk "${path.basename(tikzPicture.tempFile)}" -interaction=batchmode -quiet -pdf`,
  {
  cwd: path.dirname(tikzPicture.tempFile),
  @@ -321,7 +321,7 @@ export class TikzPictureView {
  private precompilePreamble(file: string, preamble: string) {
  return new Promise((resolve, reject) => {
  fs.writeFileSync(file, `\\documentclass{standalone}\n\n${preamble}\n\n\\begin{document}\\end{document}`)
  - const process = child_process.exec( `pdftex -ini -interaction=nonstopmode -shell-escape -file-line-error -jobname="preamble" "&pdflatex" mylatexformat.ltx ${path.basename(file)}`, { cwd: path.dirname(file) } )
  + const process = cp.exec( `pdftex -ini -interaction=nonstopmode -shell-escape -file-line-error -jobname="preamble" "&pdflatex" mylatexformat.ltx ${path.basename(file)}`, { cwd: path.dirname(file) } )
  process.on('exit', () => {
  resolve()
  })
  @@ -332,7 +332,7 @@ export class TikzPictureView {
  }
  private async cleanupTikzPicture(tikzPicture: IFileTikzPicture) {
  - child_process.execSync(`latexmk -C "${path.basename(tikzPicture.tempFile)}"`, {
  + cp.execSync(`latexmk -C "${path.basename(tikzPicture.tempFile)}"`, {
  cwd: path.dirname(tikzPicture.tempFile),
  stdio: 'ignore'
  })
  