clone pytti-core into ./pytti folder

Author: dmarx

pytti_5_beta.ipynb

@@ -345,10 +345,10 @@
         "  !git clone https://github.com/openai/CLIP.git                    &> /dev/null\n",
         "  !git clone https://github.com/CompVis/taming-transformers.git    &> /dev/null\n",
         "  if not path_exists('./pytti'):\n",
-        "    !git clone --branch p5 https://github.com/pytti-tools/pytti-core.git        &> /dev/null\n",
+        "    !git clone --branch p5 https://github.com/pytti-tools/pytti-core.git pytti       &> /dev/null\n",
         "  else:\n",
         "    !rm -r pytti\n",
-        "    !git clone --branch p5 https://github.com/pytti-tools/pytti-core.git\n",
+        "    !git clone --branch p5 https://github.com/pytti-tools/pytti-core.git pytti\n",
         "  !git clone https://github.com/shariqfarooq123/AdaBins.git        &> /dev/null\n",
         "  !git clone https://github.com/zacjiang/GMA.git                   &> /dev/null\n",
         "  !mkdir -p AdaBins/pretrained\n",