現状
matplotlibを使って、jupyternote上でグラフ表示をしようとすると、
TypeError: First argument must be a path or file object reading bytes
が出て、実行できません。
知りたいこと
- TypeErrorは、どのような可能性があるのでしょうか
- グラフ表示を実現するために解決すべきこと
のアドバイスをいただければ幸いです。
%matplotlib inline import matplotlib.pyplot as plt from numpy.random import normal,rand x = normal(size=200) plt.hist(x,bins=30) plt.show()
試したこと
- matpplotlib notebook では枠だけ表示され、内容が表示されませんでした。
- pythonの公式ドキュメントを見たのですが、解決策が見当たりませんでした。
- その他、変数を変えたりいろいろしてみましたが、同じエラーとなってしまいます。
環境
jupyter note
macbook pro (OS mojave)
anaconda
python 3.7
その他、解決にむけて必要な情報がございましたらご指摘ください。
よろしくお願いいたします。
エラー内容
python
1<matplotlib.lines.Line2D at 0x11e2662e8>] 2Error in callback <function install_repl_displayhook.<locals>.post_execute at 0x11cc982f0> (for post_execute): 3--------------------------------------------------------------------------- 4 5 6/anaconda3/lib/python3.7/site-packages/matplotlib/artist.py in draw_wrapper(artist, renderer, *args, **kwargs) 7 53 renderer.start_filter() 8 54 9---> 55 return draw(artist, renderer, *args, **kwargs) 10 56 finally: 11 57 if artist.get_agg_filter() is not None: 12 13/anaconda3/lib/python3.7/site-packages/matplotlib/figure.py in draw(self, renderer) 14 1491 15 1492 mimage._draw_list_compositing_images( 16-> 1493 renderer, self, artists, self.suppressComposite) 17 1494 18 1495 renderer.close_group('figure') 19 20/anaconda3/lib/python3.7/site-packages/matplotlib/image.py in _draw_list_compositing_images(renderer, parent, artists, suppress_composite) 21 139 if not_composite or not has_images: 22 140 for a in artists: 23--> 141 a.draw(renderer) 24 142 else: 25 143 # Composite any adjacent images together 26 27/anaconda3/lib/python3.7/site-packages/matplotlib/artist.py in draw_wrapper(artist, renderer, *args, **kwargs) 28 53 renderer.start_filter() 29 54 30---> 55 return draw(artist, renderer, *args, **kwargs) 31 56 finally: 32 57 if artist.get_agg_filter() is not None: 33 34/anaconda3/lib/python3.7/site-packages/matplotlib/axes/_base.py in draw(self, renderer, inframe) 35 2633 renderer.stop_rasterizing() 36 2634 37-> 2635 mimage._draw_list_compositing_images(renderer, self, artists) 38 2636 39 2637 renderer.close_group('axes') 40 41/anaconda3/lib/python3.7/site-packages/matplotlib/image.py in _draw_list_compositing_images(renderer, parent, artists, suppress_composite) 42 139 if not_composite or not has_images: 43 140 for a in artists: 44--> 141 a.draw(renderer) 45 142 else: 46 143 # Composite any adjacent images together 47 48/anaconda3/lib/python3.7/site-packages/matplotlib/artist.py in draw_wrapper(artist, renderer, *args, **kwargs) 49 53 renderer.start_filter() 50 54 51---> 55 return draw(artist, renderer, *args, **kwargs) 52 56 finally: 53 57 if artist.get_agg_filter() is not None: 54 55/anaconda3/lib/python3.7/site-packages/matplotlib/axis.py in draw(self, renderer, *args, **kwargs) 56 1190 ticks_to_draw = self._update_ticks(renderer) 57 1191 ticklabelBoxes, ticklabelBoxes2 = self._get_tick_bboxes(ticks_to_draw, 58-> 1192 renderer) 59 1193 60 1194 for tick in ticks_to_draw: 61 62/anaconda3/lib/python3.7/site-packages/matplotlib/axis.py in _get_tick_bboxes(self, ticks, renderer) 63 1128 for tick in ticks: 64 1129 if tick.label1On and tick.label1.get_visible(): 65-> 1130 extent = tick.label1.get_window_extent(renderer) 66 1131 ticklabelBoxes.append(extent) 67 1132 if tick.label2On and tick.label2.get_visible(): 68 69/anaconda3/lib/python3.7/site-packages/matplotlib/text.py in get_window_extent(self, renderer, dpi) 70 920 raise RuntimeError('Cannot get window extent w/o renderer') 71 921 72--> 922 bbox, info, descent = self._get_layout(self._renderer) 73 923 x, y = self.get_unitless_position() 74 924 x, y = self.get_transform().transform_point((x, y)) 75 76/anaconda3/lib/python3.7/site-packages/matplotlib/text.py in _get_layout(self, renderer) 77 298 tmp, lp_h, lp_bl = renderer.get_text_width_height_descent('lp', 78 299 self._fontproperties, 79--> 300 ismath=False) 80 301 offsety = (lp_h - lp_bl) * self._linespacing 81 302 82 83/anaconda3/lib/python3.7/site-packages/matplotlib/backends/backend_agg.py in get_text_width_height_descent(self, s, prop, ismath) 84 243 85 244 flags = get_hinting_flag() 86--> 245 font = self._get_agg_font(prop) 87 246 font.set_text(s, 0.0, flags=flags) 88 247 w, h = font.get_width_height() # width and height of unrotated string 89 90/anaconda3/lib/python3.7/site-packages/matplotlib/backends/backend_agg.py in _get_agg_font(self, prop) 91 278 """ 92 279 fname = findfont(prop) 93--> 280 font = get_font(fname) 94 281 95 282 font.clear() 96 97/anaconda3/lib/python3.7/site-packages/matplotlib/font_manager.py in get_font(filename, hinting_factor) 98 1387 if hinting_factor is None: 99 1388 hinting_factor = rcParams['text.hinting_factor'] 100-> 1389 return _get_font(filename, hinting_factor) 101 1390 102 1391 103 104TypeError: First argument must be a path or file object reading bytes 105 106<Figure size 432x288 with 1 Axes>
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