old_contents: import matplotlib as mpl
  import matplotlib.cm
  
  MAX_COLORS = 8
  DARK_GRAY = "#555555"
  LIGHT_GRAY = "#EFEFEF"
  
  def style(palette=mpl.cm.Set1, n_colors=MAX_COLORS):
      colors = map(mpl.colors.rgb2hex, palette([
          float(x)/(MAX_COLORS) for x in range(MAX_COLORS)
      ]))[:min(MAX_COLORS, n_colors)]
      return {
          "axes": {
              "color_cycle": colors,
              "facecolor": "white",
              "edgecolor": DARK_GRAY,
              "grid": True,
              "titlesize": "x-large",
              "labelsize": "x-large",
              "labelcolor": "#555555",
              "axisbelow": True
          },
          "patch": {
              "facecolor": colors[0]	
          },
          "lines": {
              "color": "r",
              "linewidth": 2,
              "marker": "o",
              "markersize": 4,
              "markeredgewidth": 0
          },
          "figure": {
              "facecolor": "white",
              "edgecolor": DARK_GRAY
          },
          "ytick": {
              "color": DARK_GRAY,
              "direction": "out"
          },
          "xtick": {
              "color": DARK_GRAY,
              "direction": "out"
          },
          "grid": {
              "color": DARK_GRAY,
              "linestyle": ':'
          }
      }
  
new_contents: import matplotlib as mpl
  import matplotlib.cm
  
  MAX_COLORS = 8
  DARK_GRAY = "#555555"
  LIGHT_GRAY = "#EFEFEF"
  
  def style(palette=mpl.cm.Set1, n_colors=MAX_COLORS):
      colors = map(mpl.colors.rgb2hex, palette([
          float(x)/(MAX_COLORS) for x in range(MAX_COLORS)
      ]))[:min(MAX_COLORS, n_colors)]
      return {
          "axes": {
              "color_cycle": colors,
              "facecolor": "white",
              "edgecolor": DARK_GRAY,
              "grid": True,
              "titlesize": "x-large",
              "labelsize": "x-large",
              "labelcolor": "#555555",
              "axisbelow": True
          },
          "patch": {
              "facecolor": colors[0]	
          },
          "lines": {
              "color": "r",
              "marker": "o",
              "markersize": 4,
              "markeredgewidth": 0
          },
          "figure": {
              "facecolor": "white",
              "edgecolor": DARK_GRAY
          },
          "ytick": {
              "color": DARK_GRAY,
              "direction": "out"
          },
          "xtick": {
              "color": DARK_GRAY,
              "direction": "out"
          },
          "grid": {
              "color": DARK_GRAY,
              "linestyle": ':'
          }
      }
  
subject: Remove linewidth from simple style