fix progress bar not disapearing on error

com.unity.perception/Editor/Pyrception/PyrceptionInstaller.cs

 
         EditorUtility.DisplayProgressBar("Setting up Pyrception", "Installing virtualenv...", 0 / steps);
         int ExitCode = 0;
-        ExitCode = ExecuteCMD("pip install virtualenv");
-        if (ExitCode != 0)
+        ExitCode = ExecuteCMD("pip3 install virtualenv");
+        if (ExitCode != 0) {
+            EditorUtility.ClearProgressBar();
-
+        }
-        ExitCode = ExecuteCMD($"virtualenv \"{path}/DataInsightsEnv\"");
+        ExitCode = ExecuteCMD($"virtualenv -p python3 \"{path}/DataInsightsEnv\"");
-        if (ExitCode != 0)
+        if (ExitCode != 0) {
+            EditorUtility.ClearProgressBar();
+        }
 
         EditorUtility.DisplayProgressBar("Setting up Pyrception", "Getting pyrception files...", 2f / steps);
 
         ExitCode = ExecuteCMD($"\\cp -r \"{pyrceptionPath}\" \"{path}/DataInsightsEnv/pyrception-util\"");
 #endif
-        if (ExitCode != 0)
+        if (ExitCode != 0) {
+            EditorUtility.ClearProgressBar();
+        }
 
         EditorUtility.DisplayProgressBar("Setting up Pyrception", "Installing pyrception utils...", 2.5f / steps);
 
-        ExitCode = ExecuteCMD($"\"{path}/DataInsightsEnv/Scripts/activate\"; cd \"{path}/DataInsightsEnv/pyrception-util\"; pip --no-cache-dir install -e .; deactivate");
+        ExitCode = ExecuteCMD($"source \"{path}/DataInsightsEnv/Scripts/activate\"; cd \"{path}/DataInsightsEnv/pyrception-util\"; pip --no-cache-dir install -e .; deactivate");
-        if (ExitCode != 0)
+        if (ExitCode != 0) {
+            EditorUtility.ClearProgressBar();
+        }
 
         EditorUtility.ClearProgressBar();
     }

com.unity.perception/Editor/Pyrception/pyrception-utils/docs/pyrception-utils.md

 
 <a name="pyrception_utils.preview.draw_image_with_boxes"></a>
 #### draw\_image\_with\_boxes
-
+<a name="pyrception_utils.preview.draw_image_with_boxes"></a>
+#### draw\_image\_with\_boxes
 ```python
 draw_image_with_boxes(image: Image, classes: Dict, labels: List, boxes: List[List], colors: Dict, header: str, description: str)
 ```

com.unity.perception/Editor/Pyrception/pyrception-utils/pyrception_utils/preview.py

     """
     image_draw = ImageDraw(image)
     # draw bounding boxes
-    font = ImageFont.truetype("C:\Windows\Fonts\Arial.ttf", 15)
+    font = ImageFont.truetype("C:\\Windows\\Fonts\\Arial.ttf", 15)
+    st.text("There are " + str(len(classes)) + " classes")
+        label = label - 1
         class_name = classes[label]
         image_draw.rectangle(box, outline=colors[class_name], width=2)
         image_draw.text(
             os.path.join(base_dataset_dir, dataset_name)
         )
         classes = dataset.classes
+        st.sidebar.selectbox(
+            "hello", classes
+        )
         image_index = frame_selector_ui(dataset)
         image, target = dataset[image_index]
         labels = target["labels"]

com.unity.perception/Editor/Pyrception/pyrception-utils/pyrception_utils/venv.meta

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+folderAsset: yes
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