diff --git a/package.json b/package.json
index 20ea9ddd16cc..053c5370522e 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,6 @@
     "Other"
   ],
   "activationEvents": [
-    "onDebug",
     "onLanguage:python",
     "onCommand:python.execInTerminal",
     "onCommand:python.sortImports",
diff --git a/src/client/common/utils.ts b/src/client/common/utils.ts
index 820c81b596da..ae6de92ee7b6 100644
--- a/src/client/common/utils.ts
+++ b/src/client/common/utils.ts
@@ -413,16 +413,15 @@ export function getWindowsLineEndingCount(document: TextDocument, offset: Number
 }
 
 export function arePathsSame(path1: string, path2: string) {
-    path1 = IS_WINDOWS ? path1.replace(/\//g, "\\") : path1;
-    path2 = IS_WINDOWS ? path2.replace(/\//g, "\\") : path2;
-    return path1.toUpperCase() === path2.toUpperCase();
+    path1 = path.normalize(path1);
+    path2 = path.normalize(path2);
+    if (IS_WINDOWS) {
+        return path1.toUpperCase() === path2.toUpperCase();
+    } else {
+        return path1 === path2;
+    }
 }
 
-export function areBasePathsSame(path1: string, path2: string) {
-    path1 = IS_WINDOWS ? path1.replace(/\//g, "\\") : path1;
-    path2 = IS_WINDOWS ? path2.replace(/\//g, "\\") : path2;
-    return path.dirname(path1).toUpperCase() === path.dirname(path2).toUpperCase();
-}
 export async function getInterpreterVersion(pythonPath: string) {
     return await new Promise<string>((resolve, reject) => {
         child_process.execFile(pythonPath, ['--version'], (error, stdout, stdErr) => {
diff --git a/src/client/interpreter/locators/index.ts b/src/client/interpreter/locators/index.ts
index 09ab1c21bc18..198c37f25869 100644
--- a/src/client/interpreter/locators/index.ts
+++ b/src/client/interpreter/locators/index.ts
@@ -2,9 +2,9 @@
 import * as _ from 'lodash';
 import { Disposable, Uri, workspace } from 'vscode';
 import { RegistryImplementation } from '../../common/registry';
-import { areBasePathsSame, arePathsSame, Is_64Bit, IS_WINDOWS } from '../../common/utils';
+import { arePathsSame, Is_64Bit, IS_WINDOWS } from '../../common/utils';
 import { IInterpreterLocatorService, PythonInterpreter } from '../contracts';
-import { IInterpreterVersionService, InterpreterVersionService } from '../interpreterVersion';
+import { InterpreterVersionService } from '../interpreterVersion';
 import { VirtualEnvironmentManager } from '../virtualEnvs';
 import { fixInterpreterDisplayName, fixInterpreterPath } from './helpers';
 import { CondaEnvFileService, getEnvironmentsFile as getCondaEnvFile } from './services/condaEnvFileService';
@@ -46,7 +46,7 @@ export class PythonInterpreterLocatorService implements IInterpreterLocatorServi
     }
     private async getInterpretersPerResource(resource?: Uri) {
         const locators = this.getLocators(resource);
-        const promises = locators.map(provider => provider.getInterpreters(resource));
+        const promises = locators.map(async provider => provider.getInterpreters(resource));
         const listOfInterpreters = await Promise.all(promises);
 
         // tslint:disable-next-line:underscore-consistent-invocation
@@ -54,8 +54,7 @@ export class PythonInterpreterLocatorService implements IInterpreterLocatorServi
             .map(fixInterpreterDisplayName)
             .map(fixInterpreterPath)
             .reduce<PythonInterpreter[]>((accumulator, current) => {
-                if (accumulator.findIndex(item => arePathsSame(item.path, current.path)) === -1 &&
-                    accumulator.findIndex(item => areBasePathsSame(item.path, current.path)) === -1) {
+                if (accumulator.findIndex(item => arePathsSame(item.path, current.path)) === -1) {
                     accumulator.push(current);
                 }
                 return accumulator;
diff --git a/src/client/providers/lintProvider.ts b/src/client/providers/lintProvider.ts
index b734800bfa83..9e6e81c6b2f3 100644
--- a/src/client/providers/lintProvider.ts
+++ b/src/client/providers/lintProvider.ts
@@ -160,6 +160,9 @@ export class LintProvider implements vscode.Disposable {
         const workspaceRootPath = (workspaceFolder && typeof workspaceFolder.uri.fsPath === 'string') ? workspaceFolder.uri.fsPath : undefined;
         const relativeFileName = typeof workspaceRootPath === 'string' ? path.relative(workspaceRootPath, document.fileName) : document.fileName;
         const settings = PythonSettings.getInstance(document.uri);
+        if (document.languageId !== PythonLanguage.language || !settings.linting.enabled) {
+            return;
+        }
         const ignoreMinmatches = settings.linting.ignorePatterns.map(pattern => {
             return new Minimatch(pattern);
         });
diff --git a/tslint.json b/tslint.json
index 7ff727e68b34..9acc3a190ee9 100644
--- a/tslint.json
+++ b/tslint.json
@@ -42,6 +42,7 @@
             "Thenable",
             "PromiseLike"
         ],
-        "completed-docs": false
+        "completed-docs": false,
+        "no-unsafe-any": false
     }
 }