title: Can't use conda/miniforge on apple silicon
body: <p>I have an issue with conda Miniforge , I can't activate conda environment on my MacBook Pro silicon. I used the <a href="https://github.com/conda-forge/miniforge" rel="nofollow noreferrer">tutorial</a> in GitHub but it seems that there is no garanties that will works for apple m1 .</p>
  <p>I got this log in my console :</p>
  <pre><code># &gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt; ERROR REPORT &lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;
      Traceback (most recent call last):
        File &quot;/Users/myuser/miniforge3/lib/python3.9/site-packages/conda/cli/main.py&quot;, line 140, in main
          return activator_main()
        File &quot;/Users/myuser/miniforge3/lib/python3.9/site-packages/conda/activate.py&quot;, line 1210, in main
          print(activator.execute(), end='')
        File &quot;/Users/myuser/miniforge3/lib/python3.9/site-packages/conda/activate.py&quot;, line 178, in execute
          return getattr(self, self.command)()
        File &quot;/Users/myuser/miniforge3/lib/python3.9/site-packages/conda/activate.py&quot;, line 152, in activate
          builder_result = self.build_activate(self.env_name_or_prefix)
        File &quot;/Users/myuser/miniforge3/lib/python3.9/site-packages/conda/activate.py&quot;, line 300, in build_activate
          return self._build_activate_stack(env_name_or_prefix, False)
        File &quot;/Users/myuser/miniforge3/lib/python3.9/site-packages/conda/activate.py&quot;, line 326, in _build_activate_stack
          conda_prompt_modifier = self._prompt_modifier(prefix, conda_default_env)
        File &quot;/Users/myuser/miniforge3/lib/python3.9/site-packages/conda/activate.py&quot;, line 691, in _prompt_modifier
          return context.env_prompt.format(
      KeyError: 'venv'
  
  `$ /Users/myuser/miniforge3/bin/conda shell.posix activate base`
  
    environment variables:
                   CIO_TEST=&lt;not set&gt;
                  CONDA_EXE=/Users/myuser/miniforge3/bin/conda
           CONDA_PYTHON_EXE=/Users/myuser/miniforge3/bin/python
                 CONDA_ROOT=/Users/myuser/miniforge3
                CONDA_SHLVL=0
             CURL_CA_BUNDLE=&lt;not set&gt;
                   INFOPATH=/opt/homebrew/share/info:
                    MANPATH=/usr/share/man:/usr/local/share/man:/opt/X11/share/man:/opt/homebrew/s
                            hare/man
                       PATH=/Users/myuser/miniforge3/bin:/usr/local/bin:/usr/bin:/bin:/usr/s
                            bin:/sbin:/opt/X11/bin:/Library/Apple/usr/bin:/Users/myuser/mini
                            forge3/condabin:/opt/homebrew/bin:/opt/homebrew/sbin
         REQUESTS_CA_BUNDLE=&lt;not set&gt;
              SSL_CERT_FILE=&lt;not set&gt;
  
       active environment : None
              shell level : 0
         user config file : /Users/myuser/.condarc
   populated config files : /Users/myuser/miniforge3/.condarc
                            /Users/myuser/.condarc
            conda version : 4.10.3
      conda-build version : not installed
           python version : 3.9.6.final.0
         virtual packages : __osx=11.5.2=0
                            __unix=0=0
                            __archspec=1=arm64
         base environment : /Users/myuser/miniforge3  (writable)
        conda av data dir : /Users/myuser/miniforge3/etc/conda
    conda av metadata url : None
             channel URLs : https://conda.anaconda.org/conda-forge/osx-arm64
                            https://conda.anaconda.org/conda-forge/noarch
            package cache : /Users/myuser/miniforge3/pkgs
                            /Users/myuser/.conda/pkgs
         envs directories : /Users/myuser/miniforge3/envs
                            /Users/myuser/.conda/envs
                 platform : osx-arm64
               user-agent : conda/4.10.3 requests/2.26.0 CPython/3.9.6 Darwin/20.6.0 OSX/11.5.2
                  UID:GID : 501:20
               netrc file : None
             offline mode : False
  
  
  An unexpected error has occurred. Conda has prepared the above report.
  
  If submitted, this report will be used by core maintainers to improve
  future releases of conda.
  Would you like conda to send this report to the core maintainers?
  
  no
  
  No report sent. To permanently opt-out, use
  
  </code></pre>
  <p>I tried to install python 3.9 using brew install etc and its working 100% . But now  I need to create virtual environment for each project.</p>