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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"proplot throws errors after upgrade","articleBody":"### Description\r\n\r\nAfter upgrading proplot, I get errors when trying to do some simple things. The main issue is encountered upon making panels. The panel displays in output but with an error. Would really appreciate advice on how to fix this! I have looked at some previous posts here and have already tried updating matplotlib and proplot together, with no change in behavior.\r\n\r\n### Steps to reproduce\r\n\r\nimport proplot as plot\r\n\r\nimport numpy as np\r\n\r\nfig, axs = plot.subplots(axwidth=5, ncols=1, nrows=1)\r\na = axs.plot(np.linspace(0,100,100), np.linspace(0,100,100), '--', c='sapphire', label='Ni')\r\naxs.panel(side='b')\r\n\r\n**Expected behavior**\r\n\r\nA plot featuring a line, with an empty panel beneath it.\r\n\r\n**Actual behavior**: \r\n\r\nThrows following error:\r\n\r\n```\r\nAttributeError                            Traceback (most recent call last)\r\n\u003cipython-input-14-c30176304eae\u003e in \u003cmodule\u003e\r\n      3 fig, axs = plot.subplots(axwidth=5, ncols=1, nrows=1, share=0)\r\n      4 \r\n----\u003e 5 axs.panel(side='b', space=0.15)\r\n\r\n~/opt/anaconda3/lib/python3.7/site-packages/proplot/gridspec.py in _grid_command(self, *args, **kwargs)\r\n   1456         objs = []\r\n   1457         for ax in self:\r\n-\u003e 1458             obj = getattr(ax, name)(*args, **kwargs)\r\n   1459             objs.append(obj)\r\n   1460         return SubplotGrid(objs)\r\n\r\n~/opt/anaconda3/lib/python3.7/site-packages/proplot/axes/base.py in panel(self, *args, **kwargs)\r\n   1657         %(axes.panel)s\r\n   1658         \"\"\"\r\n-\u003e 1659         return self.panel_axes(*args, **kwargs)\r\n   1660 \r\n   1661     @docstring._snippet_manager\r\n\r\n~/opt/anaconda3/lib/python3.7/site-packages/proplot/axes/base.py in panel_axes(self, *args, **kwargs)\r\n   1670         if self._panel_parent:\r\n   1671             raise RuntimeError('Cannot create panels for existing panel axes.')\r\n-\u003e 1672         return self.figure._add_axes_panel(self, *args, **kwargs)\r\n   1673 \r\n   1674     def _add_frame(\r\n\r\n~/opt/anaconda3/lib/python3.7/site-packages/proplot/figure.py in _add_axes_panel(self, ax, side, **kwargs)\r\n    910         pax._panel_parent = ax\r\n    911         ax._panel_dict[side].append(pax)\r\n--\u003e 912         ax._auto_share()\r\n    913         axis = pax.yaxis if side in ('left', 'right') else pax.xaxis\r\n    914         getattr(axis, 'tick_' + side)()  # set tick and tick label position\r\n\r\n~/opt/anaconda3/lib/python3.7/site-packages/proplot/axes/base.py in _auto_share(self)\r\n   1747                 for iax in (self, *paxs[:-1]):\r\n   1748                     iax._panel_sharex_group = True\r\n-\u003e 1749                     iax._sharex_setup(bottom)  # parent is bottom-most\r\n   1750             paxs = shared(self._panel_dict['top'])\r\n   1751             for iax in paxs:\r\n\r\n~/opt/anaconda3/lib/python3.7/site-packages/proplot/axes/cartesian.py in _sharex_setup(self, sharex, labels, limits)\r\n    583         # labels. But this is done after the fact -- tickers are still shared.\r\n    584         if level \u003e 1 and limits:\r\n--\u003e 585             self._sharex_limits(sharex)\r\n    586 \r\n    587     def _sharey_setup(self, sharey, *, labels=True, limits=True):\r\n\r\n~/opt/anaconda3/lib/python3.7/site-packages/proplot/axes/cartesian.py in _sharex_limits(self, sharex)\r\n    524                 ax1.set_xlim(ax2.get_xlim())  # non-default limits\r\n    525         # Copy non-default locators and formatters\r\n--\u003e 526         self._shared_x_axes.join(self, sharex)  # share limit/scale changes\r\n    527         if sharex.xaxis.isDefault_majloc and not self.xaxis.isDefault_majloc:\r\n    528             sharex.xaxis.set_major_locator(self.xaxis.get_major_locator())\r\n```\r\n\r\nAttributeError: 'CartesianAxesSubplot' object has no attribute '_shared_x_axes'\r\n\r\n### Proplot version\r\n\r\n3.5.1\r\n0.9.5\r\n","author":{"url":"https://github.com/dawnstrata","@type":"Person","name":"dawnstrata"},"datePublished":"2022-03-14T19:20:17.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/349/proplot/issues/349"}