<div dir="ltr">I am running Ubuntu 16.04 64bit,<div>
<table border="0" style="margin:0px" align="center" width="100%" cellspacing="2" cellpadding="0">
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<p style="margin:0px">QGIS version</p></td>
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<p style="margin:0px">2.99.0-Master</p></td>
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<p style="margin:0px">QGIS code revision</p></td>
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<p style="margin:0px"><a href="https://github.com/qgis/QGIS/commit/921a0c7"><span style="color:rgb(0,0,255)">921a0c7</span></a></p></td></tr>
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<p style="margin:0px">Compiled against Qt</p></td>
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<p style="margin:0px">5.5.1</p></td>
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<p style="margin:0px">Running against Qt</p></td>
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<p style="margin:0px">5.5.1</p></td></tr>
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<p style="margin:0px">Compiled against GDAL/OGR</p></td>
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<p style="margin:0px">2.1.2</p></td>
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<p style="margin:0px">Running against GDAL/OGR</p></td>
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<p style="margin:0px">2.1.2</p></td></tr>
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<p style="margin:0px">Compiled against GEOS</p></td>
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<p style="margin:0px">3.5.1-CAPI-1.9.1</p></td>
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<p style="margin:0px">Running against GEOS</p></td>
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<p style="margin:0px">3.5.1-CAPI-1.9.1 r4246</p></td></tr>
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<p style="margin:0px">PostgreSQL Client Version</p></td>
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<p style="margin:0px">9.5.2</p></td>
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<p style="margin:0px">SpatiaLite Version</p></td>
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<p style="margin:0px">4.3.0a</p></td></tr>
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<p style="margin:0px">QWT Version</p></td>
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<p style="margin:0px">6.1.2</p></td>
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<p style="margin:0px">PROJ.4 Version</p></td>
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<p style="margin:0px">492</p></td></tr>
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<p style="margin:0px">QScintilla2 Version</p></td>
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<p style="margin:0px">2.9.1</p></td>
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<p style="margin:0px">This copy of QGIS writes debugging output.</p></td></tr></tbody></table></div><div><br></div><div><br></div><div>Trying to run any of the Grass tools on the Processing Toolbox, I get the following error:</div><div>
<p style="margin:14px 0px 12px"><span style="font-size:large;font-weight:600">This algorithm cannot be run :-( </span></p>
<p style="margin:0px">It seems that GRASS GIS 7 is not correctly installed and configured in your system. Please install it before running GRASS GIS 7 algorithms.</p><p style="margin:0px"><br></p><p style="margin:0px">I have Grass 7.2 installed </p><p style="margin:0px"><br></p></div><div>grass72: /usr/bin/grass72 /usr/lib/grass72 /usr/share/grass72 /usr/share/man/man1/grass72.1.gz<br></div><div><br></div><div>Clicking enable additional providers, I get the following stack trace error</div><div><br></div><div>
<p style="margin:0px"><span style="font-weight:600;color:rgb(255,0,0)">An error has occurred while executing Python code:</span> <br></p>
<p style="margin:14px 0px 12px"><span style="font-size:large;font-weight:600">TypeError: __init__() takes 1 positional argument but 2 were given </span></p>
<pre style="margin-top:12px;margin-bottom:12px"><span style="font-family:"courier new,courier"">Traceback (most recent call last):<br>  File "/usr/share/qgis/python/plugins/processing/gui/ProcessingToolbox.py", line 77, in openSettings<br>    dlg = ConfigDialog(self)<br>TypeError: __init__() takes 1 positional argument but 2 were given<br></span></pre>
<p style="margin:0px"><br><span style="font-weight:600">Python version:</span> 3.5.2 (default, Nov 17 2016, 17:05:23) [GCC 5.4.0 20160609] <br><span style="font-weight:600">QGIS version:</span> 2.99.0-Master Master, 921a0c7 <br></p>
<p style="margin:12px 0px"><span style="font-size:medium;font-weight:600">Python Path:</span></p>
<ul style="margin:0px"><li style="margin:12px 0px 0px">/usr/share/qgis/python/plugins/processing</li>
<li style="margin:0px">/usr/share/qgis/python</li>
<li style="margin:0px">/home/user1/.qgis3/python</li>
<li style="margin:0px">/home/user1/.qgis3/python/plugins</li>
<li style="margin:0px">/usr/share/qgis/python/plugins</li>
<li style="margin:0px">/usr/lib/python35.zip</li>
<li style="margin:0px">/usr/lib/python3.5</li>
<li style="margin:0px">/usr/lib/python3.5/plat-x86_64-linux-gnu</li>
<li style="margin:0px">/usr/lib/python3.5/lib-dynload</li>
<li style="margin:0px">/usr/local/lib/python3.5/dist-packages</li>
<li style="margin:0px">/usr/lib/python3/dist-packages</li>
<li style="margin:0px">/home/user1/.qgis3//python</li>
<li style="margin:0px 0px 12px">/home/user1/spatial_data</li></ul></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div></div>