monor coverage fix, flake8 tests for examples

Makefile

@@ -9,4 +9,5 @@ test:
 	nosetests tqdm -v
 
 coverage:
+	rm -f .coverage  # coverage erase
 	nosetests tqdm --with-coverage --cover-package=tqdm -v

examples/simple_examples.py

@@ -12,18 +12,19 @@ for i in trange(16, leave=True):
 
 # Profiling/overhead tests
 stmts = (
-         # Benchmark
-         '[i for i in xrange(int(1e8))]',
-         # Basic demo
-         'import tqdm; [i for i in tqdm.trange(int(1e8))]',
-         # Some decorations
-         'import tqdm; [i for i in tqdm.trange(int(1e8), miniters=int(1e6),'
-         '    ascii=True, desc="cool", dynamic_ncols=True)]',
-         # Experimental GUI demo
-         'import tqdm; [i for i in tqdm.trange(int(1e8), gui=True)]',
-         # Comparison to https://code.google.com/p/python-progressbar/
-         'from progressbar.progressbar import ProgressBar;'
-         '    [i for i in ProgressBar()(xrange(int(1e8)))]')
+    # Benchmark
+    '[i for i in xrange(int(1e8))]',
+    # Basic demo
+    'import tqdm; [i for i in tqdm.trange(int(1e8))]',
+    # Some decorations
+    'import tqdm; [i for i in tqdm.trange(int(1e8), miniters=int(1e6),'
+    '    ascii=True, desc="cool", dynamic_ncols=True)]',
+    # Experimental GUI demo
+    'import tqdm; [i for i in tqdm.trange(int(1e8), gui=True)]',
+    # Comparison to https://code.google.com/p/python-progressbar/
+    'from progressbar.progressbar import ProgressBar;'
+    '    [i for i in ProgressBar()(xrange(int(1e8)))]')
+
 for s in stmts:
     print s
     print timeit(stmt=s, number=1), 'seconds'

tox.ini

@@ -21,3 +21,4 @@ basepython = python2.7
 deps = flake8
 commands =
     flake8 --count --statistics tqdm/
+    flake8 --count --statistics examples/